521805310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{236111}}^1$

素因数の和:236148

約数の個数: 32

約数和(自身を含む): 1071004032

約数和(自身を除く): 549198722

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 236111, 472222, 1180555, 2361110, 3069443, 4013887, 6138886, 8027774, 15347215, 20069435, 30694430, 40138870, 52180531, 104361062, 260902655, 521805310]

約数ペア:

[(1, 521805310), (2, 260902655), (5, 104361062), (10, 52180531), (13, 40138870), (17, 30694430), (26, 20069435), (34, 15347215), (65, 8027774), (85, 6138886), (130, 4013887), (170, 3069443), (221, 2361110), (442, 1180555), (1105, 472222), (2210, 236111)]