81254662

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:840

約数の個数: 24

約数和(自身を含む): 130214664

約数和(自身を除く): 48960002

約数列:

[1, 2, 17, 34, 257, 289, 514, 547, 578, 1094, 4369, 8738, 9299, 18598, 74273, 140579, 148546, 158083, 281158, 316166, 2389843, 4779686, 40627331, 81254662]

約数ペア:

[(1, 81254662), (2, 40627331), (17, 4779686), (34, 2389843), (257, 316166), (289, 281158), (514, 158083), (547, 148546), (578, 140579), (1094, 74273), (4369, 18598), (8738, 9299)]