77378890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{188729}}^1$

素因数の和:188777

約数の個数: 16

約数和(自身を含む): 142679880

約数和(自身を除く): 65300990

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 188729, 377458, 943645, 1887290, 7737889, 15475778, 38689445, 77378890]

約数ペア:

[(1, 77378890), (2, 38689445), (5, 15475778), (10, 7737889), (41, 1887290), (82, 943645), (205, 377458), (410, 188729)]