81413156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{2851}}^1$

素因数の和:2936

約数の個数: 36

約数和(自身を含む): 159312720

約数和(自身を除く): 77899564

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 121, 236, 242, 484, 649, 1298, 2596, 2851, 5702, 7139, 11404, 14278, 28556, 31361, 62722, 125444, 168209, 336418, 344971, 672836, 689942, 1379884, 1850299, 3700598, 7401196, 20353289, 40706578, 81413156]

約数ペア:

[(1, 81413156), (2, 40706578), (4, 20353289), (11, 7401196), (22, 3700598), (44, 1850299), (59, 1379884), (118, 689942), (121, 672836), (236, 344971), (242, 336418), (484, 168209), (649, 125444), (1298, 62722), (2596, 31361), (2851, 28556), (5702, 14278), (7139, 11404)]