247654076

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{2111}}^1$

素因数の和:2465

約数の個数: 24

約数和(自身を含む): 438789120

約数和(自身を除く): 191135044

約数列:

[1, 2, 4, 139, 211, 278, 422, 556, 844, 2111, 4222, 8444, 29329, 58658, 117316, 293429, 445421, 586858, 890842, 1173716, 1781684, 61913519, 123827038, 247654076]

約数ペア:

[(1, 247654076), (2, 123827038), (4, 61913519), (139, 1781684), (211, 1173716), (278, 890842), (422, 586858), (556, 445421), (844, 293429), (2111, 117316), (4222, 58658), (8444, 29329)]