66778465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 92123136

約数和(自身を除く): 25344671

約数列:

[1, 5, 13, 17, 65, 85, 221, 223, 271, 1105, 1115, 1355, 2899, 3523, 3791, 4607, 14495, 17615, 18955, 23035, 49283, 59891, 60433, 246415, 299455, 302165, 785629, 1027361, 3928145, 5136805, 13355693, 66778465]

約数ペア:

[(1, 66778465), (5, 13355693), (13, 5136805), (17, 3928145), (65, 1027361), (85, 785629), (221, 302165), (223, 299455), (271, 246415), (1105, 60433), (1115, 59891), (1355, 49283), (2899, 23035), (3523, 18955), (3791, 17615), (4607, 14495)]