42690986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 73483200

約数和(自身を除く): 30792214

約数列:

[1, 2, 13, 19, 26, 38, 89, 178, 247, 494, 971, 1157, 1691, 1942, 2314, 3382, 12623, 18449, 21983, 25246, 36898, 43966, 86419, 172838, 239837, 479674, 1123447, 1641961, 2246894, 3283922, 21345493, 42690986]

約数ペア:

[(1, 42690986), (2, 21345493), (13, 3283922), (19, 2246894), (26, 1641961), (38, 1123447), (89, 479674), (178, 239837), (247, 172838), (494, 86419), (971, 43966), (1157, 36898), (1691, 25246), (1942, 21983), (2314, 18449), (3382, 12623)]