211977545

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 287884800

約数和(自身を除く): 75907255

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 839, 845, 1495, 2197, 3887, 4195, 10907, 10985, 19297, 19435, 50531, 54535, 96485, 141791, 250861, 252655, 708955, 1254305, 1843283, 3261193, 9216415, 16305965, 42395509, 211977545]

約数ペア:

[(1, 211977545), (5, 42395509), (13, 16305965), (23, 9216415), (65, 3261193), (115, 1843283), (169, 1254305), (299, 708955), (839, 252655), (845, 250861), (1495, 141791), (2197, 96485), (3887, 54535), (4195, 50531), (10907, 19435), (10985, 19297)]