71285072

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{19979}}^1$

素因数の和:20210

約数の個数: 20

約数和(自身を含む): 138741120

約数和(自身を除く): 67456048

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 19979, 39958, 79916, 159832, 319664, 4455317, 8910634, 17821268, 35642536, 71285072]

約数ペア:

[(1, 71285072), (2, 35642536), (4, 17821268), (8, 8910634), (16, 4455317), (223, 319664), (446, 159832), (892, 79916), (1784, 39958), (3568, 19979)]