81287568

素因数分解:

$2^4\times 3^2\times {\mathrm{564497}}^1$

素因数の和:564511

約数の個数: 30

約数和(自身を含む): 227492694

約数和(自身を除く): 146205126

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 564497, 1128994, 1693491, 2257988, 3386982, 4515976, 5080473, 6773964, 9031952, 10160946, 13547928, 20321892, 27095856, 40643784, 81287568]

約数ペア:

[(1, 81287568), (2, 40643784), (3, 27095856), (4, 20321892), (6, 13547928), (8, 10160946), (9, 9031952), (12, 6773964), (16, 5080473), (18, 4515976), (24, 3386982), (36, 2257988), (48, 1693491), (72, 1128994), (144, 564497)]