30912548

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 55520640

約数和(自身を除く): 24608092

約数列:

[1, 2, 4, 71, 89, 142, 178, 284, 356, 1223, 2446, 4892, 6319, 12638, 25276, 86833, 108847, 173666, 217694, 347332, 435388, 7728137, 15456274, 30912548]

約数ペア:

[(1, 30912548), (2, 15456274), (4, 7728137), (71, 435388), (89, 347332), (142, 217694), (178, 173666), (284, 108847), (356, 86833), (1223, 25276), (2446, 12638), (4892, 6319)]