2156965984

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{1889}}^1\times {\mathrm{2099}}^1$

素因数の和:4015

約数の個数: 48

約数和(自身を含む): 4500846000

約数和(自身を除く): 2343880016

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 1889, 2099, 3778, 4198, 7556, 8396, 15112, 16792, 30224, 32113, 33584, 35683, 60448, 64226, 67168, 71366, 128452, 142732, 256904, 285464, 513808, 570928, 1027616, 1141856, 3965011, 7930022, 15860044, 31720088, 63440176, 67405187, 126880352, 134810374, 269620748, 539241496, 1078482992, 2156965984]

約数ペア:

[(1, 2156965984), (2, 1078482992), (4, 539241496), (8, 269620748), (16, 134810374), (17, 126880352), (32, 67405187), (34, 63440176), (68, 31720088), (136, 15860044), (272, 7930022), (544, 3965011), (1889, 1141856), (2099, 1027616), (3778, 570928), (4198, 513808), (7556, 285464), (8396, 256904), (15112, 142732), (16792, 128452), (30224, 71366), (32113, 67168), (33584, 64226), (35683, 60448)]