1338992

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1640

約数の個数: 20

約数和(自身を含む): 2644920

約数和(自身を除く): 1305928

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 1579, 3158, 6316, 12632, 25264, 83687, 167374, 334748, 669496, 1338992]

約数ペア:

[(1, 1338992), (2, 669496), (4, 334748), (8, 167374), (16, 83687), (53, 25264), (106, 12632), (212, 6316), (424, 3158), (848, 1579)]