391270705

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{8287}}^1$

素因数の和:8389

約数の個数: 32

約数和(自身を含む): 572866560

約数和(自身を除く): 181595855

約数列:

[1, 5, 7, 19, 35, 71, 95, 133, 355, 497, 665, 1349, 2485, 6745, 8287, 9443, 41435, 47215, 58009, 157453, 290045, 588377, 787265, 1102171, 2941885, 4118639, 5510855, 11179163, 20593195, 55895815, 78254141, 391270705]

約数ペア:

[(1, 391270705), (5, 78254141), (7, 55895815), (19, 20593195), (35, 11179163), (71, 5510855), (95, 4118639), (133, 2941885), (355, 1102171), (497, 787265), (665, 588377), (1349, 290045), (2485, 157453), (6745, 58009), (8287, 47215), (9443, 41435)]