78818210

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{12491}}^1$

素因数の和:13129

約数の個数: 16

約数和(自身を含む): 142108992

約数和(自身を除く): 63290782

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 6310, 12491, 24982, 62455, 124910, 7881821, 15763642, 39409105, 78818210]

約数ペア:

[(1, 78818210), (2, 39409105), (5, 15763642), (10, 7881821), (631, 124910), (1262, 62455), (3155, 24982), (6310, 12491)]