66809405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 92461824

約数和(自身を除く): 25652419

約数列:

[1, 5, 13, 17, 65, 85, 103, 221, 515, 587, 1105, 1339, 1751, 2935, 6695, 7631, 8755, 9979, 22763, 38155, 49895, 60461, 113815, 129727, 302305, 648635, 785993, 1027837, 3929965, 5139185, 13361881, 66809405]

約数ペア:

[(1, 66809405), (5, 13361881), (13, 5139185), (17, 3929965), (65, 1027837), (85, 785993), (103, 648635), (221, 302305), (515, 129727), (587, 113815), (1105, 60461), (1339, 49895), (1751, 38155), (2935, 22763), (6695, 9979), (7631, 8755)]