1278902324

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{204821}}^1$

素因数の和:205055

約数の個数: 24

約数和(自身を含む): 2569287168

約数和(自身を除く): 1290384844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 204821, 409642, 819284, 1433747, 2867494, 5734988, 45675083, 91350166, 182700332, 319725581, 639451162, 1278902324]

約数ペア:

[(1, 1278902324), (2, 639451162), (4, 319725581), (7, 182700332), (14, 91350166), (28, 45675083), (223, 5734988), (446, 2867494), (892, 1433747), (1561, 819284), (3122, 409642), (6244, 204821)]