87682990

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{19793}}^1$

素因数の和:20243

約数の個数: 16

約数和(自身を含む): 158193648

約数和(自身を除く): 70510658

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 19793, 39586, 98965, 197930, 8768299, 17536598, 43841495, 87682990]

約数ペア:

[(1, 87682990), (2, 43841495), (5, 17536598), (10, 8768299), (443, 197930), (886, 98965), (2215, 39586), (4430, 19793)]