256220745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41969}}^1$

素因数の和:42025

約数の個数: 32

約数和(自身を含む): 459319680

約数和(自身を除く): 203098935

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 6105, 41969, 125907, 209845, 461659, 629535, 1384977, 1552853, 2308295, 4658559, 6924885, 7764265, 17081383, 23292795, 51244149, 85406915, 256220745]

約数ペア:

[(1, 256220745), (3, 85406915), (5, 51244149), (11, 23292795), (15, 17081383), (33, 7764265), (37, 6924885), (55, 4658559), (111, 2308295), (165, 1552853), (185, 1384977), (407, 629535), (555, 461659), (1221, 209845), (2035, 125907), (6105, 41969)]