674215969

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^2\times {\mathrm{397}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 820389440

約数和(自身を除く): 146173471

約数列:

[1, 7, 19, 113, 133, 397, 791, 2147, 2779, 7543, 12769, 15029, 44861, 52801, 89383, 242611, 314027, 852359, 1698277, 5069293, 5966513, 35485051, 96316567, 674215969]

約数ペア:

[(1, 674215969), (7, 96316567), (19, 35485051), (113, 5966513), (133, 5069293), (397, 1698277), (791, 852359), (2147, 314027), (2779, 242611), (7543, 89383), (12769, 52801), (15029, 44861)]