81304765

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{2099}}^1$

素因数の和:2292

約数の個数: 16

約数和(自身を含む): 99993600

約数和(自身を除く): 18688835

約数列:

[1, 5, 61, 127, 305, 635, 2099, 7747, 10495, 38735, 128039, 266573, 640195, 1332865, 16260953, 81304765]

約数ペア:

[(1, 81304765), (5, 16260953), (61, 1332865), (127, 640195), (305, 266573), (635, 128039), (2099, 38735), (7747, 10495)]