28387807

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 35680176

約数和(自身を除く): 7292369

約数列:

[1, 7, 17, 49, 53, 119, 371, 643, 833, 901, 2597, 4501, 6307, 10931, 31507, 34079, 44149, 76517, 238553, 535619, 579343, 1669871, 4055401, 28387807]

約数ペア:

[(1, 28387807), (7, 4055401), (17, 1669871), (49, 579343), (53, 535619), (119, 238553), (371, 76517), (643, 44149), (833, 34079), (901, 31507), (2597, 10931), (4501, 6307)]