87991312

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{33739}}^1$

素因数の和:33910

約数の個数: 20

約数和(自身を含む): 171534160

約数和(自身を除く): 83542848

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 33739, 67478, 134956, 269912, 539824, 5499457, 10998914, 21997828, 43995656, 87991312]

約数ペア:

[(1, 87991312), (2, 43995656), (4, 21997828), (8, 10998914), (16, 5499457), (163, 539824), (326, 269912), (652, 134956), (1304, 67478), (2608, 33739)]