47393521

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 55143424

約数和(自身を除く): 7749903

約数列:

[1, 7, 97, 223, 313, 679, 1561, 2191, 21631, 30361, 69799, 151417, 212527, 488593, 6770503, 47393521]

約数ペア:

[(1, 47393521), (7, 6770503), (97, 488593), (223, 212527), (313, 151417), (679, 69799), (1561, 30361), (2191, 21631)]