647882992

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{359}}^1\times {\mathrm{757}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 1268892000

約数和(自身を除く): 621009008

約数列:

[1, 2, 4, 8, 16, 149, 298, 359, 596, 718, 757, 1192, 1436, 1514, 2384, 2872, 3028, 5744, 6056, 12112, 53491, 106982, 112793, 213964, 225586, 271763, 427928, 451172, 543526, 855856, 902344, 1087052, 1804688, 2174104, 4348208, 40492687, 80985374, 161970748, 323941496, 647882992]

約数ペア:

[(1, 647882992), (2, 323941496), (4, 161970748), (8, 80985374), (16, 40492687), (149, 4348208), (298, 2174104), (359, 1804688), (596, 1087052), (718, 902344), (757, 855856), (1192, 543526), (1436, 451172), (1514, 427928), (2384, 271763), (2872, 225586), (3028, 213964), (5744, 112793), (6056, 106982), (12112, 53491)]