1638968929

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{3187}}^1$

素因数の和:3409

約数の個数: 24

約数和(自身を含む): 1890228960

約数和(自身を除く): 251260031

約数列:

[1, 13, 17, 169, 179, 221, 2327, 2873, 3043, 3187, 30251, 39559, 41431, 54179, 514267, 538603, 570473, 704327, 7416149, 9156251, 9698041, 96409937, 126074533, 1638968929]

約数ペア:

[(1, 1638968929), (13, 126074533), (17, 96409937), (169, 9698041), (179, 9156251), (221, 7416149), (2327, 704327), (2873, 570473), (3043, 538603), (3187, 514267), (30251, 54179), (39559, 41431)]