15990410

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 30203712

約数和(自身を除く): 14213302

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 907, 1763, 1814, 3526, 4535, 8815, 9070, 17630, 37187, 39001, 74374, 78002, 185935, 195005, 371870, 390010, 1599041, 3198082, 7995205, 15990410]

約数ペア:

[(1, 15990410), (2, 7995205), (5, 3198082), (10, 1599041), (41, 390010), (43, 371870), (82, 195005), (86, 185935), (205, 78002), (215, 74374), (410, 39001), (430, 37187), (907, 17630), (1763, 9070), (1814, 8815), (3526, 4535)]