123558428

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{72341}}^1$

素因数の和:72413

約数の個数: 24

約数和(自身を含む): 251171424

約数和(自身を除く): 127612996

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 72341, 144682, 289364, 506387, 1012774, 2025548, 4412801, 8825602, 17651204, 30889607, 61779214, 123558428]

約数ペア:

[(1, 123558428), (2, 61779214), (4, 30889607), (7, 17651204), (14, 8825602), (28, 4412801), (61, 2025548), (122, 1012774), (244, 506387), (427, 289364), (854, 144682), (1708, 72341)]