81706628

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{811}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 145283040

約数和(自身を除く): 63576412

約数列:

[1, 2, 4, 89, 178, 283, 356, 566, 811, 1132, 1622, 3244, 25187, 50374, 72179, 100748, 144358, 229513, 288716, 459026, 918052, 20426657, 40853314, 81706628]

約数ペア:

[(1, 81706628), (2, 40853314), (4, 20426657), (89, 918052), (178, 459026), (283, 288716), (356, 229513), (566, 144358), (811, 100748), (1132, 72179), (1622, 50374), (3244, 25187)]