81196976

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3251}}^1$

素因数の和:3489

約数の個数: 40

約数和(自身を含む): 180655104

約数和(自身を除く): 99458128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1561, 1784, 3122, 3251, 3568, 6244, 6502, 12488, 13004, 22757, 24976, 26008, 45514, 52016, 91028, 182056, 364112, 724973, 1449946, 2899892, 5074811, 5799784, 10149622, 11599568, 20299244, 40598488, 81196976]

約数ペア:

[(1, 81196976), (2, 40598488), (4, 20299244), (7, 11599568), (8, 10149622), (14, 5799784), (16, 5074811), (28, 2899892), (56, 1449946), (112, 724973), (223, 364112), (446, 182056), (892, 91028), (1561, 52016), (1784, 45514), (3122, 26008), (3251, 24976), (3568, 22757), (6244, 13004), (6502, 12488)]