28188818

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{15139}}^1$

素因数の和:15174

約数の個数: 24

約数和(自身を含む): 51778800

約数和(自身を除く): 23589982

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 15139, 30278, 105973, 211946, 287641, 575282, 741811, 1483622, 2013487, 4026974, 14094409, 28188818]

約数ペア:

[(1, 28188818), (2, 14094409), (7, 4026974), (14, 2013487), (19, 1483622), (38, 741811), (49, 575282), (98, 287641), (133, 211946), (266, 105973), (931, 30278), (1862, 15139)]