489565490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{4451}}^1$

素因数の和:5122

約数の個数: 32

約数和(自身を含む): 934706304

約数和(自身を除く): 445140814

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 647, 1294, 3235, 4451, 6470, 8902, 10999, 21998, 22255, 44510, 54995, 75667, 109990, 151334, 378335, 756670, 2879797, 5759594, 14398985, 28797970, 48956549, 97913098, 244782745, 489565490]

約数ペア:

[(1, 489565490), (2, 244782745), (5, 97913098), (10, 48956549), (17, 28797970), (34, 14398985), (85, 5759594), (170, 2879797), (647, 756670), (1294, 378335), (3235, 151334), (4451, 109990), (6470, 75667), (8902, 54995), (10999, 44510), (21998, 22255)]