129207845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{64123}}^1$

素因数の和:64172

約数の個数: 16

約数和(自身を含む): 172365312

約数和(自身を除く): 43157467

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 64123, 320615, 833599, 1987813, 4167995, 9939065, 25841569, 129207845]

約数ペア:

[(1, 129207845), (5, 25841569), (13, 9939065), (31, 4167995), (65, 1987813), (155, 833599), (403, 320615), (2015, 64123)]