28564505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{769}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 11352295

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 391, 437, 769, 1615, 1955, 2185, 3845, 7429, 13073, 14611, 17687, 37145, 65365, 73055, 88435, 248387, 300679, 336053, 1241935, 1503395, 1680265, 5712901, 28564505]

約数ペア:

[(1, 28564505), (5, 5712901), (17, 1680265), (19, 1503395), (23, 1241935), (85, 336053), (95, 300679), (115, 248387), (323, 88435), (391, 73055), (437, 65365), (769, 37145), (1615, 17687), (1955, 14611), (2185, 13073), (3845, 7429)]