207172816

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{128201}}^1$

素因数の和:128310

約数の個数: 20

約数和(自身を含む): 405374724

約数和(自身を除く): 198201908

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 128201, 256402, 512804, 1025608, 2051216, 12948301, 25896602, 51793204, 103586408, 207172816]

約数ペア:

[(1, 207172816), (2, 103586408), (4, 51793204), (8, 25896602), (16, 12948301), (101, 2051216), (202, 1025608), (404, 512804), (808, 256402), (1616, 128201)]