81221044

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{337}}^1\times {\mathrm{677}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 144373320

約数和(自身を除く): 63152276

約数列:

[1, 2, 4, 89, 178, 337, 356, 674, 677, 1348, 1354, 2708, 29993, 59986, 60253, 119972, 120506, 228149, 241012, 456298, 912596, 20305261, 40610522, 81221044]

約数ペア:

[(1, 81221044), (2, 40610522), (4, 20305261), (89, 912596), (178, 456298), (337, 241012), (356, 228149), (674, 120506), (677, 119972), (1348, 60253), (1354, 59986), (2708, 29993)]