72516556

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{42457}}^1$

素因数の和:42529

約数の個数: 24

約数和(自身を含む): 147414176

約数和(自身を除く): 74897620

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 42457, 84914, 169828, 297199, 594398, 1188796, 2589877, 5179754, 10359508, 18129139, 36258278, 72516556]

約数ペア:

[(1, 72516556), (2, 36258278), (4, 18129139), (7, 10359508), (14, 5179754), (28, 2589877), (61, 1188796), (122, 594398), (244, 297199), (427, 169828), (854, 84914), (1708, 42457)]