90204191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61657}}^1$

素因数の和:61694

約数の個数: 16

約数和(自身を含む): 118383360

約数和(自身を除く): 28179169

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 61657, 431599, 678227, 1171483, 4747589, 8200381, 12886313, 90204191]

約数ペア:

[(1, 90204191), (7, 12886313), (11, 8200381), (19, 4747589), (77, 1171483), (133, 678227), (209, 431599), (1463, 61657)]