256137308

素因数分解:

$2^2\times 7^3\times {\mathrm{186689}}^1$

素因数の和:186714

約数の個数: 24

約数和(自身を含む): 522732000

約数和(自身を除く): 266594692

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 186689, 373378, 746756, 1306823, 2613646, 5227292, 9147761, 18295522, 36591044, 64034327, 128068654, 256137308]

約数ペア:

[(1, 256137308), (2, 128068654), (4, 64034327), (7, 36591044), (14, 18295522), (28, 9147761), (49, 5227292), (98, 2613646), (196, 1306823), (343, 746756), (686, 373378), (1372, 186689)]