90781115

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{12941}}^1$

素因数の和:13030

約数の個数: 16

約数和(自身を含む): 115546176

約数和(自身を除く): 24765061

約数列:

[1, 5, 23, 61, 115, 305, 1403, 7015, 12941, 64705, 297643, 789401, 1488215, 3947005, 18156223, 90781115]

約数ペア:

[(1, 90781115), (5, 18156223), (23, 3947005), (61, 1488215), (115, 789401), (305, 297643), (1403, 64705), (7015, 12941)]