66720284

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{1583}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 120149568

約数和(自身を除く): 53429284

約数列:

[1, 2, 4, 41, 82, 164, 257, 514, 1028, 1583, 3166, 6332, 10537, 21074, 42148, 64903, 129806, 259612, 406831, 813662, 1627324, 16680071, 33360142, 66720284]

約数ペア:

[(1, 66720284), (2, 33360142), (4, 16680071), (41, 1627324), (82, 813662), (164, 406831), (257, 259612), (514, 129806), (1028, 64903), (1583, 42148), (3166, 21074), (6332, 10537)]