84579868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1123}}^1$

素因数の和:2137

約数の個数: 24

約数和(自身を含む): 156101120

約数和(自身を除く): 71521252

約数列:

[1, 2, 4, 19, 38, 76, 991, 1123, 1982, 2246, 3964, 4492, 18829, 21337, 37658, 42674, 75316, 85348, 1112893, 2225786, 4451572, 21144967, 42289934, 84579868]

約数ペア:

[(1, 84579868), (2, 42289934), (4, 21144967), (19, 4451572), (38, 2225786), (76, 1112893), (991, 85348), (1123, 75316), (1982, 42674), (2246, 37658), (3964, 21337), (4492, 18829)]