72199010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2161}}^1$

素因数の和:2438

約数の個数: 32

約数和(自身を含む): 140564592

約数和(自身を除く): 68365582

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 1285, 2161, 2570, 3341, 4322, 6682, 10805, 16705, 21610, 28093, 33410, 56186, 140465, 280930, 555377, 1110754, 2776885, 5553770, 7219901, 14439802, 36099505, 72199010]

約数ペア:

[(1, 72199010), (2, 36099505), (5, 14439802), (10, 7219901), (13, 5553770), (26, 2776885), (65, 1110754), (130, 555377), (257, 280930), (514, 140465), (1285, 56186), (2161, 33410), (2570, 28093), (3341, 21610), (4322, 16705), (6682, 10805)]