64997252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19889}}^1$

素因数の和:19955

約数の個数: 24

約数和(自身を含む): 122522400

約数和(自身を除く): 57525148

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 19889, 39778, 79556, 377891, 755782, 855227, 1511564, 1710454, 3420908, 16249313, 32498626, 64997252]

約数ペア:

[(1, 64997252), (2, 32498626), (4, 16249313), (19, 3420908), (38, 1710454), (43, 1511564), (76, 855227), (86, 755782), (172, 377891), (817, 79556), (1634, 39778), (3268, 19889)]