287142718

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1493}}^1$

素因数の和:1668

約数の個数: 32

約数和(自身を含む): 465984576

約数和(自身を除く): 178841858

約数列:

[1, 2, 23, 37, 46, 74, 113, 226, 851, 1493, 1702, 2599, 2986, 4181, 5198, 8362, 34339, 55241, 68678, 96163, 110482, 168709, 192326, 337418, 1270543, 2541086, 3880307, 6242233, 7760614, 12484466, 143571359, 287142718]

約数ペア:

[(1, 287142718), (2, 143571359), (23, 12484466), (37, 7760614), (46, 6242233), (74, 3880307), (113, 2541086), (226, 1270543), (851, 337418), (1493, 192326), (1702, 168709), (2599, 110482), (2986, 96163), (4181, 68678), (5198, 55241), (8362, 34339)]