156957185

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{13151}}^1$

素因数の和:13205

約数の個数: 32

約数和(自身を含む): 242417664

約数和(自身を除く): 85460479

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 2387, 11935, 13151, 65755, 92057, 144661, 407681, 460285, 723305, 1012627, 2038405, 2853767, 4484491, 5063135, 14268835, 22422455, 31391437, 156957185]

約数ペア:

[(1, 156957185), (5, 31391437), (7, 22422455), (11, 14268835), (31, 5063135), (35, 4484491), (55, 2853767), (77, 2038405), (155, 1012627), (217, 723305), (341, 460285), (385, 407681), (1085, 144661), (1705, 92057), (2387, 65755), (11935, 13151)]