639533210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{900751}}^1$

素因数の和:900829

約数の個数: 16

約数和(自身を含む): 1167374592

約数和(自身を除く): 527841382

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 900751, 1801502, 4503755, 9007510, 63953321, 127906642, 319766605, 639533210]

約数ペア:

[(1, 639533210), (2, 319766605), (5, 127906642), (10, 63953321), (71, 9007510), (142, 4503755), (355, 1801502), (710, 900751)]