681625408

素因数分解:

$2^6\times {\mathrm{557}}^1\times {\mathrm{19121}}^1$

素因数の和:19690

約数の個数: 28

約数和(自身を含む): 1355099652

約数和(自身を除く): 673474244

約数列:

[1, 2, 4, 8, 16, 32, 64, 557, 1114, 2228, 4456, 8912, 17824, 19121, 35648, 38242, 76484, 152968, 305936, 611872, 1223744, 10650397, 21300794, 42601588, 85203176, 170406352, 340812704, 681625408]

約数ペア:

[(1, 681625408), (2, 340812704), (4, 170406352), (8, 85203176), (16, 42601588), (32, 21300794), (64, 10650397), (557, 1223744), (1114, 611872), (2228, 305936), (4456, 152968), (8912, 76484), (17824, 38242), (19121, 35648)]