31488926

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 55572480

約数和(自身を除く): 24083554

約数列:

[1, 2, 7, 14, 71, 79, 142, 158, 401, 497, 553, 802, 994, 1106, 2807, 5609, 5614, 11218, 28471, 31679, 39263, 56942, 63358, 78526, 199297, 221753, 398594, 443506, 2249209, 4498418, 15744463, 31488926]

約数ペア:

[(1, 31488926), (2, 15744463), (7, 4498418), (14, 2249209), (71, 443506), (79, 398594), (142, 221753), (158, 199297), (401, 78526), (497, 63358), (553, 56942), (802, 39263), (994, 31679), (1106, 28471), (2807, 11218), (5609, 5614)]