28681324

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 59867136

約数和(自身を除く): 31185812

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 173, 191, 217, 346, 382, 434, 692, 764, 868, 1211, 1337, 2422, 2674, 4844, 5348, 5363, 5921, 10726, 11842, 21452, 23684, 33043, 37541, 41447, 66086, 75082, 82894, 132172, 150164, 165788, 231301, 462602, 925204, 1024333, 2048666, 4097332, 7170331, 14340662, 28681324]

約数ペア:

[(1, 28681324), (2, 14340662), (4, 7170331), (7, 4097332), (14, 2048666), (28, 1024333), (31, 925204), (62, 462602), (124, 231301), (173, 165788), (191, 150164), (217, 132172), (346, 82894), (382, 75082), (434, 66086), (692, 41447), (764, 37541), (868, 33043), (1211, 23684), (1337, 21452), (2422, 11842), (2674, 10726), (4844, 5921), (5348, 5363)]