81706730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{31547}}^1$

素因数の和:31598

約数の個数: 32

約数和(自身を含む): 172630656

約数和(自身を除く): 90923926

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 31547, 63094, 157735, 220829, 315470, 441658, 1104145, 1167239, 2208290, 2334478, 5836195, 8170673, 11672390, 16341346, 40853365, 81706730]

約数ペア:

[(1, 81706730), (2, 40853365), (5, 16341346), (7, 11672390), (10, 8170673), (14, 5836195), (35, 2334478), (37, 2208290), (70, 1167239), (74, 1104145), (185, 441658), (259, 315470), (370, 220829), (518, 157735), (1295, 63094), (2590, 31547)]