72978664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1847}}^1$

素因数の和:2313

約数の個数: 32

約数和(自身を含む): 149688000

約数和(自身を除く): 76709336

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 449, 898, 1796, 1847, 3592, 3694, 4939, 7388, 9878, 14776, 19756, 20317, 39512, 40634, 81268, 162536, 829303, 1658606, 3317212, 6634424, 9122333, 18244666, 36489332, 72978664]

約数ペア:

[(1, 72978664), (2, 36489332), (4, 18244666), (8, 9122333), (11, 6634424), (22, 3317212), (44, 1658606), (88, 829303), (449, 162536), (898, 81268), (1796, 40634), (1847, 39512), (3592, 20317), (3694, 19756), (4939, 14776), (7388, 9878)]