201180545

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 252023400

約数和(自身を除く): 50842855

約数列:

[1, 5, 31, 149, 155, 281, 745, 961, 1405, 4619, 4805, 8711, 23095, 41869, 43555, 143189, 209345, 270041, 715945, 1297939, 1350205, 6489695, 40236109, 201180545]

約数ペア:

[(1, 201180545), (5, 40236109), (31, 6489695), (149, 1350205), (155, 1297939), (281, 715945), (745, 270041), (961, 209345), (1405, 143189), (4619, 43555), (4805, 41869), (8711, 23095)]