28299895

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 37235376

約数和(自身を除く): 8935481

約数列:

[1, 5, 13, 65, 107, 169, 313, 535, 845, 1391, 1565, 4069, 6955, 18083, 20345, 33491, 52897, 90415, 167455, 264485, 435383, 2176915, 5659979, 28299895]

約数ペア:

[(1, 28299895), (5, 5659979), (13, 2176915), (65, 435383), (107, 264485), (169, 167455), (313, 90415), (535, 52897), (845, 33491), (1391, 20345), (1565, 18083), (4069, 6955)]