12721172

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 22730400

約数和(自身を除く): 10009228

約数列:

[1, 2, 4, 109, 163, 179, 218, 326, 358, 436, 652, 716, 17767, 19511, 29177, 35534, 39022, 58354, 71068, 78044, 116708, 3180293, 6360586, 12721172]

約数ペア:

[(1, 12721172), (2, 6360586), (4, 3180293), (109, 116708), (163, 78044), (179, 71068), (218, 58354), (326, 39022), (358, 35534), (436, 29177), (652, 19511), (716, 17767)]