90139556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{19477}}^1$

素因数の和:19583

約数の個数: 24

約数和(自身を含む): 171795960

約数和(自身を除く): 81656404

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 19477, 38954, 77908, 253201, 506402, 1012804, 1733453, 3466906, 6933812, 22534889, 45069778, 90139556]

約数ペア:

[(1, 90139556), (2, 45069778), (4, 22534889), (13, 6933812), (26, 3466906), (52, 1733453), (89, 1012804), (178, 506402), (356, 253201), (1157, 77908), (2314, 38954), (4628, 19477)]