1686884

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 3076920

約数和(自身を除く): 1390036

約数列:

[1, 2, 4, 53, 73, 106, 109, 146, 212, 218, 292, 436, 3869, 5777, 7738, 7957, 11554, 15476, 15914, 23108, 31828, 421721, 843442, 1686884]

約数ペア:

[(1, 1686884), (2, 843442), (4, 421721), (53, 31828), (73, 23108), (106, 15914), (109, 15476), (146, 11554), (212, 7957), (218, 7738), (292, 5777), (436, 3869)]