81121736

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10253}}^1$

素因数の和:10325

約数の個数: 32

約数和(自身を含む): 162423360

約数和(自身を除く): 81301624

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 3956, 7912, 10253, 20506, 41012, 82024, 235819, 440879, 471638, 881758, 943276, 1763516, 1886552, 3527032, 10140217, 20280434, 40560868, 81121736]

約数ペア:

[(1, 81121736), (2, 40560868), (4, 20280434), (8, 10140217), (23, 3527032), (43, 1886552), (46, 1763516), (86, 943276), (92, 881758), (172, 471638), (184, 440879), (344, 235819), (989, 82024), (1978, 41012), (3956, 20506), (7912, 10253)]