66765145

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 86465664

約数和(自身を除く): 19700519

約数列:

[1, 5, 19, 47, 95, 235, 361, 787, 893, 1805, 3935, 4465, 14953, 16967, 36989, 74765, 84835, 184945, 284107, 702791, 1420535, 3513955, 13353029, 66765145]

約数ペア:

[(1, 66765145), (5, 13353029), (19, 3513955), (47, 1420535), (95, 702791), (235, 284107), (361, 184945), (787, 84835), (893, 74765), (1805, 36989), (3935, 16967), (4465, 14953)]