123940778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{280409}}^1$

素因数の和:280441

約数の個数: 16

約数和(自身を含む): 211989960

約数和(自身を除く): 88049182

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 280409, 560818, 3645317, 4766953, 7290634, 9533906, 61970389, 123940778]

約数ペア:

[(1, 123940778), (2, 61970389), (13, 9533906), (17, 7290634), (26, 4766953), (34, 3645317), (221, 560818), (442, 280409)]