28481509

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 33909120

約数和(自身を除く): 5427611

約数列:

[1, 7, 29, 173, 203, 811, 1211, 5017, 5677, 23519, 35119, 140303, 164633, 982121, 4068787, 28481509]

約数ペア:

[(1, 28481509), (7, 4068787), (29, 982121), (173, 164633), (203, 140303), (811, 35119), (1211, 23519), (5017, 5677)]