78485515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{2969}}^1$

素因数の和:3302

約数の個数: 16

約数和(自身を含む): 100077120

約数和(自身を除く): 21591605

約数列:

[1, 5, 17, 85, 311, 1555, 2969, 5287, 14845, 26435, 50473, 252365, 923359, 4616795, 15697103, 78485515]

約数ペア:

[(1, 78485515), (5, 15697103), (17, 4616795), (85, 923359), (311, 252365), (1555, 50473), (2969, 26435), (5287, 14845)]