28700930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{857}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 55042416

約数和(自身を除く): 26341486

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 394, 857, 985, 1714, 1970, 3349, 4285, 6698, 8570, 14569, 16745, 29138, 33490, 72845, 145690, 168829, 337658, 844145, 1688290, 2870093, 5740186, 14350465, 28700930]

約数ペア:

[(1, 28700930), (2, 14350465), (5, 5740186), (10, 2870093), (17, 1688290), (34, 844145), (85, 337658), (170, 168829), (197, 145690), (394, 72845), (857, 33490), (985, 29138), (1714, 16745), (1970, 14569), (3349, 8570), (4285, 6698)]