28525252

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1223}}^1$

素因数の和:1265

約数の個数: 48

約数和(自身を含む): 61689600

約数和(自身を除く): 33164348

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 343, 476, 686, 833, 1223, 1372, 1666, 2446, 3332, 4892, 5831, 8561, 11662, 17122, 20791, 23324, 34244, 41582, 59927, 83164, 119854, 145537, 239708, 291074, 419489, 582148, 838978, 1018759, 1677956, 2037518, 4075036, 7131313, 14262626, 28525252]

約数ペア:

[(1, 28525252), (2, 14262626), (4, 7131313), (7, 4075036), (14, 2037518), (17, 1677956), (28, 1018759), (34, 838978), (49, 582148), (68, 419489), (98, 291074), (119, 239708), (196, 145537), (238, 119854), (343, 83164), (476, 59927), (686, 41582), (833, 34244), (1223, 23324), (1372, 20791), (1666, 17122), (2446, 11662), (3332, 8561), (4892, 5831)]