25585816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 51030000

約数和(自身を除く): 25444184

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 419, 449, 838, 898, 1676, 1796, 3352, 3592, 7123, 7633, 14246, 15266, 28492, 30532, 56984, 61064, 188131, 376262, 752524, 1505048, 3198227, 6396454, 12792908, 25585816]

約数ペア:

[(1, 25585816), (2, 12792908), (4, 6396454), (8, 3198227), (17, 1505048), (34, 752524), (68, 376262), (136, 188131), (419, 61064), (449, 56984), (838, 30532), (898, 28492), (1676, 15266), (1796, 14246), (3352, 7633), (3592, 7123)]