28617238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 47628000

約数和(自身を除く): 19010762

約数列:

[1, 2, 13, 26, 83, 89, 149, 166, 178, 298, 1079, 1157, 1937, 2158, 2314, 3874, 7387, 12367, 13261, 14774, 24734, 26522, 96031, 160771, 172393, 192062, 321542, 344786, 1100663, 2201326, 14308619, 28617238]

約数ペア:

[(1, 28617238), (2, 14308619), (13, 2201326), (26, 1100663), (83, 344786), (89, 321542), (149, 192062), (166, 172393), (178, 160771), (298, 96031), (1079, 26522), (1157, 24734), (1937, 14774), (2158, 13261), (2314, 12367), (3874, 7387)]