647173908

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 1837946880

約数和(自身を除く): 1190772972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 43, 46, 54, 69, 73, 83, 86, 92, 108, 129, 138, 146, 166, 172, 207, 219, 249, 258, 276, 292, 332, 387, 414, 438, 498, 516, 621, 657, 747, 774, 828, 876, 989, 996, 1161, 1242, 1314, 1494, 1548, 1679, 1909, 1971, 1978, 2241, 2322, 2484, 2628, 2967, 2988, 3139, 3358, 3569, 3818, 3942, 3956, 4482, 4644, 5037, 5727, 5934, 6059, 6278, 6716, 7138, 7636, 7884, 8901, 8964, 9417, 10074, 10707, 11454, 11868, 12118, 12556, 14276, 15111, 17181, 17802, 18177, 18834, 20148, 21414, 22908, 24236, 26703, 28251, 30222, 32121, 34362, 35604, 36354, 37668, 42828, 45333, 51543, 53406, 54531, 56502, 60444, 64242, 68724, 72197, 72708, 82087, 84753, 90666, 96363, 103086, 106812, 109062, 113004, 128484, 139357, 144394, 163593, 164174, 169506, 181332, 192726, 206172, 216591, 218124, 246261, 260537, 278714, 288788, 327186, 328348, 339012, 385452, 418071, 433182, 492522, 521074, 557428, 649773, 654372, 738783, 781611, 836142, 866364, 985044, 1042148, 1254213, 1299546, 1477566, 1563222, 1672284, 1949319, 2216349, 2344833, 2508426, 2599092, 2955132, 3126444, 3762639, 3898638, 4432698, 4689666, 5016852, 5992351, 7034499, 7525278, 7797276, 8865396, 9379332, 11984702, 14068998, 15050556, 17977053, 23969404, 28137996, 35954106, 53931159, 71908212, 107862318, 161793477, 215724636, 323586954, 647173908]

約数ペア:

[(1, 647173908), (2, 323586954), (3, 215724636), (4, 161793477), (6, 107862318), (9, 71908212), (12, 53931159), (18, 35954106), (23, 28137996), (27, 23969404), (36, 17977053), (43, 15050556), (46, 14068998), (54, 11984702), (69, 9379332), (73, 8865396), (83, 7797276), (86, 7525278), (92, 7034499), (108, 5992351), (129, 5016852), (138, 4689666), (146, 4432698), (166, 3898638), (172, 3762639), (207, 3126444), (219, 2955132), (249, 2599092), (258, 2508426), (276, 2344833), (292, 2216349), (332, 1949319), (387, 1672284), (414, 1563222), (438, 1477566), (498, 1299546), (516, 1254213), (621, 1042148), (657, 985044), (747, 866364), (774, 836142), (828, 781611), (876, 738783), (989, 654372), (996, 649773), (1161, 557428), (1242, 521074), (1314, 492522), (1494, 433182), (1548, 418071), (1679, 385452), (1909, 339012), (1971, 328348), (1978, 327186), (2241, 288788), (2322, 278714), (2484, 260537), (2628, 246261), (2967, 218124), (2988, 216591), (3139, 206172), (3358, 192726), (3569, 181332), (3818, 169506), (3942, 164174), (3956, 163593), (4482, 144394), (4644, 139357), (5037, 128484), (5727, 113004), (5934, 109062), (6059, 106812), (6278, 103086), (6716, 96363), (7138, 90666), (7636, 84753), (7884, 82087), (8901, 72708), (8964, 72197), (9417, 68724), (10074, 64242), (10707, 60444), (11454, 56502), (11868, 54531), (12118, 53406), (12556, 51543), (14276, 45333), (15111, 42828), (17181, 37668), (17802, 36354), (18177, 35604), (18834, 34362), (20148, 32121), (21414, 30222), (22908, 28251), (24236, 26703)]