81139352

素因数分解:

$2^3\times 7^1\times {\mathrm{379}}^1\times {\mathrm{3823}}^1$

素因数の和:4215

約数の個数: 32

約数和(自身を含む): 174374400

約数和(自身を除く): 93235048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 379, 758, 1516, 2653, 3032, 3823, 5306, 7646, 10612, 15292, 21224, 26761, 30584, 53522, 107044, 214088, 1448917, 2897834, 5795668, 10142419, 11591336, 20284838, 40569676, 81139352]

約数ペア:

[(1, 81139352), (2, 40569676), (4, 20284838), (7, 11591336), (8, 10142419), (14, 5795668), (28, 2897834), (56, 1448917), (379, 214088), (758, 107044), (1516, 53522), (2653, 30584), (3032, 26761), (3823, 21224), (5306, 15292), (7646, 10612)]