2639638

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:743

約数の個数: 16

約数和(自身を含む): 4160160

約数和(自身を除く): 1520522

約数列:

[1, 2, 29, 58, 71, 142, 641, 1282, 2059, 4118, 18589, 37178, 45511, 91022, 1319819, 2639638]

約数ペア:

[(1, 2639638), (2, 1319819), (29, 91022), (58, 45511), (71, 37178), (142, 18589), (641, 4118), (1282, 2059)]