1637828

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 2983680

約数和(自身を除く): 1345852

約数列:

[1, 2, 4, 71, 73, 79, 142, 146, 158, 284, 292, 316, 5183, 5609, 5767, 10366, 11218, 11534, 20732, 22436, 23068, 409457, 818914, 1637828]

約数ペア:

[(1, 1637828), (2, 818914), (4, 409457), (71, 23068), (73, 22436), (79, 20732), (142, 11534), (146, 11218), (158, 10366), (284, 5767), (292, 5609), (316, 5183)]