28213507

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 32957440

約数和(自身を除く): 4743933

約数列:

[1, 7, 79, 163, 313, 553, 1141, 2191, 12877, 24727, 51019, 90139, 173089, 357133, 4030501, 28213507]

約数ペア:

[(1, 28213507), (7, 4030501), (79, 357133), (163, 173089), (313, 90139), (553, 51019), (1141, 24727), (2191, 12877)]