68781167

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 90502272

約数和(自身を除く): 21721105

約数列:

[1, 7, 13, 17, 91, 119, 173, 221, 257, 1211, 1547, 1799, 2249, 2941, 3341, 4369, 15743, 20587, 23387, 30583, 38233, 44461, 56797, 267631, 311227, 397579, 577993, 755837, 4045951, 5290859, 9825881, 68781167]

約数ペア:

[(1, 68781167), (7, 9825881), (13, 5290859), (17, 4045951), (91, 755837), (119, 577993), (173, 397579), (221, 311227), (257, 267631), (1211, 56797), (1547, 44461), (1799, 38233), (2249, 30583), (2941, 23387), (3341, 20587), (4369, 15743)]