81687214

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{36241}}^1$

素因数の和:36280

約数の個数: 24

約数和(自身を含む): 148737168

約数和(自身を除く): 67049954

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 36241, 72482, 253687, 507374, 833543, 1667086, 1775809, 3551618, 5834801, 11669602, 40843607, 81687214]

約数ペア:

[(1, 81687214), (2, 40843607), (7, 11669602), (14, 5834801), (23, 3551618), (46, 1775809), (49, 1667086), (98, 833543), (161, 507374), (322, 253687), (1127, 72482), (2254, 36241)]