289901524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{108011}}^1$

素因数の和:108087

約数の個数: 24

約数和(自身を含む): 562526496

約数和(自身を除く): 272624972

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 108011, 216022, 432044, 1188121, 2376242, 4752484, 6588671, 13177342, 26354684, 72475381, 144950762, 289901524]

約数ペア:

[(1, 289901524), (2, 144950762), (4, 72475381), (11, 26354684), (22, 13177342), (44, 6588671), (61, 4752484), (122, 2376242), (244, 1188121), (671, 432044), (1342, 216022), (2684, 108011)]