31421392

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{29311}}^1$

素因数の和:29386

約数の個数: 20

約数和(自身を含む): 61789696

約数和(自身を除く): 30368304

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 29311, 58622, 117244, 234488, 468976, 1963837, 3927674, 7855348, 15710696, 31421392]

約数ペア:

[(1, 31421392), (2, 15710696), (4, 7855348), (8, 3927674), (16, 1963837), (67, 468976), (134, 234488), (268, 117244), (536, 58622), (1072, 29311)]