2118385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 2672640

約数和(自身を除く): 554255

約数列:

[1, 5, 31, 79, 155, 173, 395, 865, 2449, 5363, 12245, 13667, 26815, 68335, 423677, 2118385]

約数ペア:

[(1, 2118385), (5, 423677), (31, 68335), (79, 26815), (155, 13667), (173, 12245), (395, 5363), (865, 2449)]