291364130

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{4157}}^1$

素因数の和:4370

約数の個数: 32

約数和(自身を含む): 540074304

約数和(自身を除く): 248710174

約数列:

[1, 2, 5, 10, 43, 86, 163, 215, 326, 430, 815, 1630, 4157, 7009, 8314, 14018, 20785, 35045, 41570, 70090, 178751, 357502, 677591, 893755, 1355182, 1787510, 3387955, 6775910, 29136413, 58272826, 145682065, 291364130]

約数ペア:

[(1, 291364130), (2, 145682065), (5, 58272826), (10, 29136413), (43, 6775910), (86, 3387955), (163, 1787510), (215, 1355182), (326, 893755), (430, 677591), (815, 357502), (1630, 178751), (4157, 70090), (7009, 41570), (8314, 35045), (14018, 20785)]