28153517

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1031}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 33288192

約数和(自身を除く): 5134675

約数列:

[1, 7, 47, 83, 329, 581, 1031, 3901, 7217, 27307, 48457, 85573, 339199, 599011, 4021931, 28153517]

約数ペア:

[(1, 28153517), (7, 4021931), (47, 599011), (83, 339199), (329, 85573), (581, 48457), (1031, 27307), (3901, 7217)]