2798525

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 3761664

約数和(自身を除く): 963139

約数列:

[1, 5, 23, 25, 31, 115, 155, 157, 575, 713, 775, 785, 3565, 3611, 3925, 4867, 17825, 18055, 24335, 90275, 111941, 121675, 559705, 2798525]

約数ペア:

[(1, 2798525), (5, 559705), (23, 121675), (25, 111941), (31, 90275), (115, 24335), (155, 18055), (157, 17825), (575, 4867), (713, 3925), (775, 3611), (785, 3565)]