31397762

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20101}}^1$

素因数の和:20185

約数の個数: 16

約数和(自身を含む): 52104384

約数和(自身を除く): 20706622

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20101, 40202, 221111, 442222, 1427171, 2854342, 15698881, 31397762]

約数ペア:

[(1, 31397762), (2, 15698881), (11, 2854342), (22, 1427171), (71, 442222), (142, 221111), (781, 40202), (1562, 20101)]