64277855

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 82296000

約数和(自身を除く): 18018145

約数列:

[1, 5, 19, 95, 149, 239, 361, 745, 1195, 1805, 2831, 4541, 14155, 22705, 35611, 53789, 86279, 178055, 268945, 431395, 676609, 3383045, 12855571, 64277855]

約数ペア:

[(1, 64277855), (5, 12855571), (19, 3383045), (95, 676609), (149, 431395), (239, 268945), (361, 178055), (745, 86279), (1195, 53789), (1805, 35611), (2831, 22705), (4541, 14155)]