681392012

素因数分解:

$2^2\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{19801}}^1$

素因数の和:21041

約数の個数: 24

約数和(自身を含む): 1363961760

約数和(自身を除く): 682569748

約数列:

[1, 2, 4, 7, 14, 28, 1229, 2458, 4916, 8603, 17206, 19801, 34412, 39602, 79204, 138607, 277214, 554428, 24335429, 48670858, 97341716, 170348003, 340696006, 681392012]

約数ペア:

[(1, 681392012), (2, 340696006), (4, 170348003), (7, 97341716), (14, 48670858), (28, 24335429), (1229, 554428), (2458, 277214), (4916, 138607), (8603, 79204), (17206, 39602), (19801, 34412)]