257226490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{28549}}^1$

素因数の和:28626

約数の個数: 32

約数和(自身を含む): 499510800

約数和(自身を除く): 242284310

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 4505, 9010, 28549, 57098, 142745, 285490, 485333, 970666, 1513097, 2426665, 3026194, 4853330, 7565485, 15130970, 25722649, 51445298, 128613245, 257226490]

約数ペア:

[(1, 257226490), (2, 128613245), (5, 51445298), (10, 25722649), (17, 15130970), (34, 7565485), (53, 4853330), (85, 3026194), (106, 2426665), (170, 1513097), (265, 970666), (530, 485333), (901, 285490), (1802, 142745), (4505, 57098), (9010, 28549)]