398416074

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 995991552

約数和(自身を除く): 597575478

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 37, 42, 46, 69, 71, 74, 111, 138, 142, 157, 161, 213, 222, 259, 314, 322, 426, 471, 483, 497, 518, 777, 851, 942, 966, 994, 1099, 1491, 1554, 1633, 1702, 2198, 2553, 2627, 2982, 3266, 3297, 3611, 4899, 5106, 5254, 5809, 5957, 6594, 7222, 7881, 9798, 10833, 11147, 11431, 11618, 11914, 15762, 17427, 17871, 18389, 21666, 22294, 22862, 25277, 33441, 34293, 34854, 35742, 36778, 40663, 50554, 55167, 60421, 66882, 68586, 75831, 78029, 81326, 110334, 120842, 121989, 133607, 151662, 156058, 181263, 234087, 243978, 256381, 267214, 362526, 400821, 412439, 422947, 468174, 512762, 769143, 801642, 824878, 845894, 935249, 1237317, 1268841, 1538286, 1794667, 1870498, 2474634, 2537682, 2805747, 2887073, 3589334, 5384001, 5611494, 5774146, 8661219, 9486097, 10768002, 17322438, 18972194, 28458291, 56916582, 66402679, 132805358, 199208037, 398416074]

約数ペア:

[(1, 398416074), (2, 199208037), (3, 132805358), (6, 66402679), (7, 56916582), (14, 28458291), (21, 18972194), (23, 17322438), (37, 10768002), (42, 9486097), (46, 8661219), (69, 5774146), (71, 5611494), (74, 5384001), (111, 3589334), (138, 2887073), (142, 2805747), (157, 2537682), (161, 2474634), (213, 1870498), (222, 1794667), (259, 1538286), (314, 1268841), (322, 1237317), (426, 935249), (471, 845894), (483, 824878), (497, 801642), (518, 769143), (777, 512762), (851, 468174), (942, 422947), (966, 412439), (994, 400821), (1099, 362526), (1491, 267214), (1554, 256381), (1633, 243978), (1702, 234087), (2198, 181263), (2553, 156058), (2627, 151662), (2982, 133607), (3266, 121989), (3297, 120842), (3611, 110334), (4899, 81326), (5106, 78029), (5254, 75831), (5809, 68586), (5957, 66882), (6594, 60421), (7222, 55167), (7881, 50554), (9798, 40663), (10833, 36778), (11147, 35742), (11431, 34854), (11618, 34293), (11914, 33441), (15762, 25277), (17427, 22862), (17871, 22294), (18389, 21666)]