61391005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{30467}}^1$

素因数の和:30516

約数の個数: 16

約数和(自身を含む): 81897984

約数和(自身を除く): 20506979

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 30467, 152335, 396071, 944477, 1980355, 4722385, 12278201, 61391005]

約数ペア:

[(1, 61391005), (5, 12278201), (13, 4722385), (31, 1980355), (65, 944477), (155, 396071), (403, 152335), (2015, 30467)]