31710679

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 43223040

約数和(自身を除く): 11512361

約数列:

[1, 7, 11, 13, 77, 79, 91, 143, 401, 553, 869, 1001, 1027, 2807, 4411, 5213, 6083, 7189, 11297, 30877, 31679, 36491, 57343, 79079, 221753, 348469, 401401, 411827, 2439283, 2882789, 4530097, 31710679]

約数ペア:

[(1, 31710679), (7, 4530097), (11, 2882789), (13, 2439283), (77, 411827), (79, 401401), (91, 348469), (143, 221753), (401, 79079), (553, 57343), (869, 36491), (1001, 31679), (1027, 30877), (2807, 11297), (4411, 7189), (5213, 6083)]