81132208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163573}}^1$

素因数の和:163612

約数の個数: 20

約数和(自身を含む): 162265408

約数和(自身を除く): 81133200

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 163573, 327146, 654292, 1308584, 2617168, 5070763, 10141526, 20283052, 40566104, 81132208]

約数ペア:

[(1, 81132208), (2, 40566104), (4, 20283052), (8, 10141526), (16, 5070763), (31, 2617168), (62, 1308584), (124, 654292), (248, 327146), (496, 163573)]