31891824

素因数分解:

$2^4\times 3^2\times {\mathrm{221471}}^1$

素因数の和:221485

約数の個数: 30

約数和(自身を含む): 89253216

約数和(自身を除く): 57361392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 221471, 442942, 664413, 885884, 1328826, 1771768, 1993239, 2657652, 3543536, 3986478, 5315304, 7972956, 10630608, 15945912, 31891824]

約数ペア:

[(1, 31891824), (2, 15945912), (3, 10630608), (4, 7972956), (6, 5315304), (8, 3986478), (9, 3543536), (12, 2657652), (16, 1993239), (18, 1771768), (24, 1328826), (36, 885884), (48, 664413), (72, 442942), (144, 221471)]