389635948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{84191}}^1$

素因数の和:84297

約数の個数: 24

約数和(自身を含む): 742573440

約数和(自身を除く): 352937492

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 84191, 168382, 336764, 1094483, 2188966, 4377932, 7492999, 14985998, 29971996, 97408987, 194817974, 389635948]

約数ペア:

[(1, 389635948), (2, 194817974), (4, 97408987), (13, 29971996), (26, 14985998), (52, 7492999), (89, 4377932), (178, 2188966), (356, 1094483), (1157, 336764), (2314, 168382), (4628, 84191)]