11987890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{467}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 23048064

約数和(自身を除く): 11060174

約数列:

[1, 2, 5, 10, 17, 34, 85, 151, 170, 302, 467, 755, 934, 1510, 2335, 2567, 4670, 5134, 7939, 12835, 15878, 25670, 39695, 70517, 79390, 141034, 352585, 705170, 1198789, 2397578, 5993945, 11987890]

約数ペア:

[(1, 11987890), (2, 5993945), (5, 2397578), (10, 1198789), (17, 705170), (34, 352585), (85, 141034), (151, 79390), (170, 70517), (302, 39695), (467, 25670), (755, 15878), (934, 12835), (1510, 7939), (2335, 5134), (2567, 4670)]