28105655

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 37197792

約数和(自身を除く): 9092137

約数列:

[1, 5, 19, 23, 95, 115, 361, 437, 677, 1805, 2185, 3385, 8303, 12863, 15571, 41515, 64315, 77855, 244397, 295849, 1221985, 1479245, 5621131, 28105655]

約数ペア:

[(1, 28105655), (5, 5621131), (19, 1479245), (23, 1221985), (95, 295849), (115, 244397), (361, 77855), (437, 64315), (677, 41515), (1805, 15571), (2185, 12863), (3385, 8303)]