31516418

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{1321}}^1$

素因数の和:1553

約数の個数: 16

約数和(自身を含む): 48226560

約数和(自身を除く): 16710142

約数列:

[1, 2, 79, 151, 158, 302, 1321, 2642, 11929, 23858, 104359, 199471, 208718, 398942, 15758209, 31516418]

約数ペア:

[(1, 31516418), (2, 15758209), (79, 398942), (151, 208718), (158, 199471), (302, 104359), (1321, 23858), (2642, 11929)]