81564756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:801

約数の個数: 96

約数和(自身を含む): 236667648

約数和(自身を除く): 155102892

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 113, 156, 182, 226, 273, 339, 364, 452, 546, 661, 678, 791, 1092, 1322, 1356, 1469, 1582, 1983, 2373, 2644, 2938, 3164, 3966, 4407, 4627, 4746, 5876, 7932, 8593, 8814, 9254, 9492, 10283, 13881, 17186, 17628, 18508, 20566, 25779, 27762, 30849, 34372, 41132, 51558, 55524, 60151, 61698, 74693, 103116, 120302, 123396, 149386, 180453, 224079, 240604, 298772, 360906, 448158, 522851, 721812, 896316, 971009, 1045702, 1568553, 1942018, 2091404, 2913027, 3137106, 3884036, 5826054, 6274212, 6797063, 11652108, 13594126, 20391189, 27188252, 40782378, 81564756]

約数ペア:

[(1, 81564756), (2, 40782378), (3, 27188252), (4, 20391189), (6, 13594126), (7, 11652108), (12, 6797063), (13, 6274212), (14, 5826054), (21, 3884036), (26, 3137106), (28, 2913027), (39, 2091404), (42, 1942018), (52, 1568553), (78, 1045702), (84, 971009), (91, 896316), (113, 721812), (156, 522851), (182, 448158), (226, 360906), (273, 298772), (339, 240604), (364, 224079), (452, 180453), (546, 149386), (661, 123396), (678, 120302), (791, 103116), (1092, 74693), (1322, 61698), (1356, 60151), (1469, 55524), (1582, 51558), (1983, 41132), (2373, 34372), (2644, 30849), (2938, 27762), (3164, 25779), (3966, 20566), (4407, 18508), (4627, 17628), (4746, 17186), (5876, 13881), (7932, 10283), (8593, 9492), (8814, 9254)]