13123495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 19906560

約数和(自身を除く): 6783065

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 383, 385, 445, 623, 979, 1915, 2681, 3115, 4213, 4895, 6853, 13405, 21065, 29491, 34087, 34265, 147455, 170435, 238609, 374957, 1193045, 1874785, 2624699, 13123495]

約数ペア:

[(1, 13123495), (5, 2624699), (7, 1874785), (11, 1193045), (35, 374957), (55, 238609), (77, 170435), (89, 147455), (383, 34265), (385, 34087), (445, 29491), (623, 21065), (979, 13405), (1915, 6853), (2681, 4895), (3115, 4213)]