80456621

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 100945920

約数和(自身を除く): 20489299

約数列:

[1, 7, 19, 47, 61, 133, 211, 329, 427, 893, 1159, 1477, 2867, 4009, 6251, 8113, 9917, 12871, 20069, 28063, 54473, 69419, 90097, 188423, 244549, 381311, 604937, 1318961, 1711843, 4234559, 11493803, 80456621]

約数ペア:

[(1, 80456621), (7, 11493803), (19, 4234559), (47, 1711843), (61, 1318961), (133, 604937), (211, 381311), (329, 244549), (427, 188423), (893, 90097), (1159, 69419), (1477, 54473), (2867, 28063), (4009, 20069), (6251, 12871), (8113, 9917)]