28616245

素因数分解:

$5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 40186368

約数和(自身を除く): 11570123

約数列:

[1, 5, 7, 35, 49, 245, 271, 431, 1355, 1897, 2155, 3017, 9485, 13279, 15085, 21119, 66395, 105595, 116801, 584005, 817607, 4088035, 5723249, 28616245]

約数ペア:

[(1, 28616245), (5, 5723249), (7, 4088035), (35, 817607), (49, 584005), (245, 116801), (271, 105595), (431, 66395), (1355, 21119), (1897, 15085), (2155, 13279), (3017, 9485)]