28008790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 51757056

約数和(自身を除く): 23748266

約数列:

[1, 2, 5, 10, 71, 103, 142, 206, 355, 383, 515, 710, 766, 1030, 1915, 3830, 7313, 14626, 27193, 36565, 39449, 54386, 73130, 78898, 135965, 197245, 271930, 394490, 2800879, 5601758, 14004395, 28008790]

約数ペア:

[(1, 28008790), (2, 14004395), (5, 5601758), (10, 2800879), (71, 394490), (103, 271930), (142, 197245), (206, 135965), (355, 78898), (383, 73130), (515, 54386), (710, 39449), (766, 36565), (1030, 27193), (1915, 14626), (3830, 7313)]