13666492

素因数分解:

$2^2\times 7^4\times {\mathrm{1423}}^1$

素因数の和:1455

約数の個数: 30

約数和(自身を含む): 27920368

約数和(自身を除く): 14253876

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 1423, 2401, 2846, 4802, 5692, 9604, 9961, 19922, 39844, 69727, 139454, 278908, 488089, 976178, 1952356, 3416623, 6833246, 13666492]

約数ペア:

[(1, 13666492), (2, 6833246), (4, 3416623), (7, 1952356), (14, 976178), (28, 488089), (49, 278908), (98, 139454), (196, 69727), (343, 39844), (686, 19922), (1372, 9961), (1423, 9604), (2401, 5692), (2846, 4802)]