72181870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{248903}}^1$

素因数の和:248939

約数の個数: 16

約数和(自身を含む): 134408160

約数和(自身を除く): 62226290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 248903, 497806, 1244515, 2489030, 7218187, 14436374, 36090935, 72181870]

約数ペア:

[(1, 72181870), (2, 36090935), (5, 14436374), (10, 7218187), (29, 2489030), (58, 1244515), (145, 497806), (290, 248903)]