71638021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1511}}^1$

素因数の和:2052

約数の個数: 16

約数和(自身を含む): 88397568

約数和(自身を除く): 16759547

約数列:

[1, 7, 13, 91, 521, 1511, 3647, 6773, 10577, 19643, 47411, 137501, 787231, 5510617, 10234003, 71638021]

約数ペア:

[(1, 71638021), (7, 10234003), (13, 5510617), (91, 787231), (521, 137501), (1511, 47411), (3647, 19643), (6773, 10577)]