84749405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 116269440

約数和(自身を除く): 31520035

約数列:

[1, 5, 13, 19, 65, 95, 163, 247, 421, 815, 1235, 2105, 2119, 3097, 5473, 7999, 10595, 15485, 27365, 39995, 40261, 68623, 103987, 201305, 343115, 519935, 892099, 1303837, 4460495, 6519185, 16949881, 84749405]

約数ペア:

[(1, 84749405), (5, 16949881), (13, 6519185), (19, 4460495), (65, 1303837), (95, 892099), (163, 519935), (247, 343115), (421, 201305), (815, 103987), (1235, 68623), (2105, 40261), (2119, 39995), (3097, 27365), (5473, 15485), (7999, 10595)]