28785515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{16883}}^1$

素因数の和:16930

約数の個数: 16

約数和(自身を含む): 38900736

約数和(自身を除く): 10115221

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 16883, 84415, 185713, 523373, 928565, 2616865, 5757103, 28785515]

約数ペア:

[(1, 28785515), (5, 5757103), (11, 2616865), (31, 928565), (55, 523373), (155, 185713), (341, 84415), (1705, 16883)]