2491781684

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{447197}}^1$

素因数の和:447407

約数の個数: 24

約数和(自身を含む): 5008617600

約数和(自身を除く): 2516835916

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 5572, 447197, 894394, 1788788, 3130379, 6260758, 12521516, 88992203, 177984406, 355968812, 622945421, 1245890842, 2491781684]

約数ペア:

[(1, 2491781684), (2, 1245890842), (4, 622945421), (7, 355968812), (14, 177984406), (28, 88992203), (199, 12521516), (398, 6260758), (796, 3130379), (1393, 1788788), (2786, 894394), (5572, 447197)]