280158658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{977}}^1$

素因数の和:1302

約数の個数: 32

約数和(自身を含む): 465801840

約数和(自身を除く): 185643182

約数列:

[1, 2, 13, 26, 41, 82, 269, 533, 538, 977, 1066, 1954, 3497, 6994, 11029, 12701, 22058, 25402, 40057, 80114, 143377, 262813, 286754, 520741, 525626, 1041482, 3416569, 6833138, 10775333, 21550666, 140079329, 280158658]

約数ペア:

[(1, 280158658), (2, 140079329), (13, 21550666), (26, 10775333), (41, 6833138), (82, 3416569), (269, 1041482), (533, 525626), (538, 520741), (977, 286754), (1066, 262813), (1954, 143377), (3497, 80114), (6994, 40057), (11029, 25402), (12701, 22058)]