64388245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 84994560

約数和(自身を除く): 20606315

約数列:

[1, 5, 19, 41, 61, 95, 205, 271, 305, 779, 1159, 1355, 2501, 3895, 5149, 5795, 11111, 12505, 16531, 25745, 47519, 55555, 82655, 211109, 237595, 314089, 677771, 1055545, 1570445, 3388855, 12877649, 64388245]

約数ペア:

[(1, 64388245), (5, 12877649), (19, 3388855), (41, 1570445), (61, 1055545), (95, 677771), (205, 314089), (271, 237595), (305, 211109), (779, 82655), (1159, 55555), (1355, 47519), (2501, 25745), (3895, 16531), (5149, 12505), (5795, 11111)]