12778964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{809}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 24494400

約数和(自身を除く): 11715436

約数列:

[1, 2, 4, 11, 22, 44, 359, 718, 809, 1436, 1618, 3236, 3949, 7898, 8899, 15796, 17798, 35596, 290431, 580862, 1161724, 3194741, 6389482, 12778964]

約数ペア:

[(1, 12778964), (2, 6389482), (4, 3194741), (11, 1161724), (22, 580862), (44, 290431), (359, 35596), (718, 17798), (809, 15796), (1436, 8899), (1618, 7898), (3236, 3949)]