72648973

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 85536000

約数和(自身を除く): 12887027

約数列:

[1, 17, 23, 29, 43, 149, 391, 493, 667, 731, 989, 1247, 2533, 3427, 4321, 6407, 11339, 16813, 21199, 28681, 58259, 73457, 99383, 108919, 147361, 185803, 487577, 1689511, 2505137, 3158651, 4273469, 72648973]

約数ペア:

[(1, 72648973), (17, 4273469), (23, 3158651), (29, 2505137), (43, 1689511), (149, 487577), (391, 185803), (493, 147361), (667, 108919), (731, 99383), (989, 73457), (1247, 58259), (2533, 28681), (3427, 21199), (4321, 16813), (6407, 11339)]