78558974

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{3469}}^1$

素因数の和:3564

約数の個数: 24

約数和(自身を含む): 129542040

約数和(自身を除く): 50983066

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 1742, 3469, 6938, 11323, 22646, 45097, 90194, 232423, 464846, 586261, 1172522, 3021499, 6042998, 39279487, 78558974]

約数ペア:

[(1, 78558974), (2, 39279487), (13, 6042998), (26, 3021499), (67, 1172522), (134, 586261), (169, 464846), (338, 232423), (871, 90194), (1742, 45097), (3469, 22646), (6938, 11323)]