409828718

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{7723}}^1$

素因数の和:7908

約数の個数: 24

約数和(自身を含む): 669995208

約数和(自身を除く): 260166490

約数列:

[1, 2, 13, 26, 157, 169, 314, 338, 2041, 4082, 7723, 15446, 26533, 53066, 100399, 200798, 1212511, 1305187, 2425022, 2610374, 15762643, 31525286, 204914359, 409828718]

約数ペア:

[(1, 409828718), (2, 204914359), (13, 31525286), (26, 15762643), (157, 2610374), (169, 2425022), (314, 1305187), (338, 1212511), (2041, 200798), (4082, 100399), (7723, 53066), (15446, 26533)]