255351490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{647}}^2$

素因数の和:1362

約数の個数: 24

約数和(自身を含む): 467890812

約数和(自身を除く): 212539322

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 647, 1294, 3235, 6470, 39467, 78934, 197335, 394670, 418609, 837218, 2093045, 4186090, 25535149, 51070298, 127675745, 255351490]

約数ペア:

[(1, 255351490), (2, 127675745), (5, 51070298), (10, 25535149), (61, 4186090), (122, 2093045), (305, 837218), (610, 418609), (647, 394670), (1294, 197335), (3235, 78934), (6470, 39467)]