28145416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{977}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 57095640

約数和(自身を除く): 28950224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 977, 1108, 1954, 2216, 3601, 3908, 7202, 7816, 12701, 14404, 25402, 28808, 50804, 101608, 270629, 541258, 1082516, 2165032, 3518177, 7036354, 14072708, 28145416]

約数ペア:

[(1, 28145416), (2, 14072708), (4, 7036354), (8, 3518177), (13, 2165032), (26, 1082516), (52, 541258), (104, 270629), (277, 101608), (554, 50804), (977, 28808), (1108, 25402), (1954, 14404), (2216, 12701), (3601, 7816), (3908, 7202)]