1308940415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 1686484800

約数和(自身を除く): 377544385

約数列:

[1, 5, 17, 85, 149, 181, 571, 745, 905, 2533, 2855, 3077, 9707, 12665, 15385, 26969, 48535, 85079, 103351, 134845, 425395, 458473, 516755, 1446343, 1756967, 2292365, 7231715, 8784835, 15399299, 76996495, 261788083, 1308940415]

約数ペア:

[(1, 1308940415), (5, 261788083), (17, 76996495), (85, 15399299), (149, 8784835), (181, 7231715), (571, 2292365), (745, 1756967), (905, 1446343), (2533, 516755), (2855, 458473), (3077, 425395), (9707, 134845), (12665, 103351), (15385, 85079), (26969, 48535)]