81937044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 253052800

約数和(自身を除く): 171115756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 109, 114, 126, 133, 157, 171, 218, 228, 252, 266, 314, 327, 342, 399, 436, 471, 532, 628, 654, 684, 763, 798, 942, 981, 1099, 1197, 1308, 1413, 1526, 1596, 1884, 1962, 2071, 2198, 2289, 2394, 2826, 2983, 3052, 3297, 3924, 4142, 4396, 4578, 4788, 5652, 5966, 6213, 6594, 6867, 8284, 8949, 9156, 9891, 11932, 12426, 13188, 13734, 14497, 17113, 17898, 18639, 19782, 20881, 24852, 26847, 27468, 28994, 34226, 35796, 37278, 39564, 41762, 43491, 51339, 53694, 57988, 62643, 68452, 74556, 83524, 86982, 102678, 107388, 119791, 125286, 130473, 154017, 173964, 187929, 205356, 239582, 250572, 260946, 308034, 325147, 359373, 375858, 479164, 521892, 616068, 650294, 718746, 751716, 975441, 1078119, 1300588, 1437492, 1950882, 2156238, 2276029, 2926323, 3901764, 4312476, 4552058, 5852646, 6828087, 9104116, 11705292, 13656174, 20484261, 27312348, 40968522, 81937044]

約数ペア:

[(1, 81937044), (2, 40968522), (3, 27312348), (4, 20484261), (6, 13656174), (7, 11705292), (9, 9104116), (12, 6828087), (14, 5852646), (18, 4552058), (19, 4312476), (21, 3901764), (28, 2926323), (36, 2276029), (38, 2156238), (42, 1950882), (57, 1437492), (63, 1300588), (76, 1078119), (84, 975441), (109, 751716), (114, 718746), (126, 650294), (133, 616068), (157, 521892), (171, 479164), (218, 375858), (228, 359373), (252, 325147), (266, 308034), (314, 260946), (327, 250572), (342, 239582), (399, 205356), (436, 187929), (471, 173964), (532, 154017), (628, 130473), (654, 125286), (684, 119791), (763, 107388), (798, 102678), (942, 86982), (981, 83524), (1099, 74556), (1197, 68452), (1308, 62643), (1413, 57988), (1526, 53694), (1596, 51339), (1884, 43491), (1962, 41762), (2071, 39564), (2198, 37278), (2289, 35796), (2394, 34226), (2826, 28994), (2983, 27468), (3052, 26847), (3297, 24852), (3924, 20881), (4142, 19782), (4396, 18639), (4578, 17898), (4788, 17113), (5652, 14497), (5966, 13734), (6213, 13188), (6594, 12426), (6867, 11932), (8284, 9891), (8949, 9156)]