640001292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{7477}}^1$

素因数の和:8510

約数の個数: 48

約数和(自身を含む): 1708573440

約数和(自身を除く): 1068572148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1019, 2038, 3057, 4076, 6114, 7133, 7477, 12228, 14266, 14954, 21399, 22431, 28532, 29908, 42798, 44862, 52339, 85596, 89724, 104678, 157017, 209356, 314034, 628068, 7619063, 15238126, 22857189, 30476252, 45714378, 53333441, 91428756, 106666882, 160000323, 213333764, 320000646, 640001292]

約数ペア:

[(1, 640001292), (2, 320000646), (3, 213333764), (4, 160000323), (6, 106666882), (7, 91428756), (12, 53333441), (14, 45714378), (21, 30476252), (28, 22857189), (42, 15238126), (84, 7619063), (1019, 628068), (2038, 314034), (3057, 209356), (4076, 157017), (6114, 104678), (7133, 89724), (7477, 85596), (12228, 52339), (14266, 44862), (14954, 42798), (21399, 29908), (22431, 28532)]