25490049

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 38648064

約数和(自身を除く): 13158015

約数列:

[1, 3, 13, 23, 39, 69, 157, 181, 299, 471, 543, 897, 2041, 2353, 3611, 4163, 6123, 7059, 10833, 12489, 28417, 46943, 54119, 85251, 140829, 162357, 369421, 653591, 1108263, 1960773, 8496683, 25490049]

約数ペア:

[(1, 25490049), (3, 8496683), (13, 1960773), (23, 1108263), (39, 653591), (69, 369421), (157, 162357), (181, 140829), (299, 85251), (471, 54119), (543, 46943), (897, 28417), (2041, 12489), (2353, 10833), (3611, 7059), (4163, 6123)]