28602203

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 33417216

約数和(自身を除く): 4815013

約数列:

[1, 7, 73, 223, 251, 511, 1561, 1757, 16279, 18323, 55973, 113953, 128261, 391811, 4086029, 28602203]

約数ペア:

[(1, 28602203), (7, 4086029), (73, 391811), (223, 128261), (251, 113953), (511, 55973), (1561, 18323), (1757, 16279)]