28931857915

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{9907}}^1$

素因数の和:10036

約数の個数: 48

約数和(自身を含む): 38545132032

約数和(自身を除く): 9613274117

約数列:

[1, 5, 17, 43, 47, 85, 215, 235, 289, 731, 799, 1445, 2021, 3655, 3995, 9907, 10105, 12427, 13583, 34357, 49535, 62135, 67915, 168419, 171785, 426001, 465629, 584069, 842095, 2130005, 2328145, 2863123, 2920345, 7242017, 7915693, 14315615, 20022047, 36210085, 39578465, 100110235, 123114289, 134566781, 340374799, 615571445, 672833905, 1701873995, 5786371583, 28931857915]

約数ペア:

[(1, 28931857915), (5, 5786371583), (17, 1701873995), (43, 672833905), (47, 615571445), (85, 340374799), (215, 134566781), (235, 123114289), (289, 100110235), (731, 39578465), (799, 36210085), (1445, 20022047), (2021, 14315615), (3655, 7915693), (3995, 7242017), (9907, 2920345), (10105, 2863123), (12427, 2328145), (13583, 2130005), (34357, 842095), (49535, 584069), (62135, 465629), (67915, 426001), (168419, 171785)]