40421938

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1\times {\mathrm{619}}^1$

素因数の和:1041

約数の個数: 16

約数和(自身を含む): 61513920

約数和(自身を除く): 21091982

約数列:

[1, 2, 103, 206, 317, 619, 634, 1238, 32651, 63757, 65302, 127514, 196223, 392446, 20210969, 40421938]

約数ペア:

[(1, 40421938), (2, 20210969), (103, 392446), (206, 196223), (317, 127514), (619, 65302), (634, 63757), (1238, 32651)]