660755918

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{78233}}^1$

素因数の和:78379

約数の個数: 16

約数和(自身を含む): 1025178336

約数和(自身を除く): 364422418

約数列:

[1, 2, 41, 82, 103, 206, 4223, 8446, 78233, 156466, 3207553, 6415106, 8057999, 16115998, 330377959, 660755918]

約数ペア:

[(1, 660755918), (2, 330377959), (41, 16115998), (82, 8057999), (103, 6415106), (206, 3207553), (4223, 156466), (8446, 78233)]