81727156

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{30091}}^1$

素因数の和:30199

約数の個数: 24

約数和(自身を含む): 165144896

約数和(自身を除く): 83417740

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 30091, 60182, 120364, 210637, 421274, 842548, 2918827, 5837654, 11675308, 20431789, 40863578, 81727156]

約数ペア:

[(1, 81727156), (2, 40863578), (4, 20431789), (7, 11675308), (14, 5837654), (28, 2918827), (97, 842548), (194, 421274), (388, 210637), (679, 120364), (1358, 60182), (2716, 30091)]