640496136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{3812477}}^1$

素因数の和:3812493

約数の個数: 32

約数和(自身を含む): 1829989440

約数和(自身を除く): 1189493304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 3812477, 7624954, 11437431, 15249908, 22874862, 26687339, 30499816, 45749724, 53374678, 80062017, 91499448, 106749356, 160124034, 213498712, 320248068, 640496136]

約数ペア:

[(1, 640496136), (2, 320248068), (3, 213498712), (4, 160124034), (6, 106749356), (7, 91499448), (8, 80062017), (12, 53374678), (14, 45749724), (21, 30499816), (24, 26687339), (28, 22874862), (42, 15249908), (56, 11437431), (84, 7624954), (168, 3812477)]