1388656

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:616

約数の個数: 20

約数和(自身を含む): 2709400

約数和(自身を除く): 1320744

約数列:

[1, 2, 4, 8, 16, 229, 379, 458, 758, 916, 1516, 1832, 3032, 3664, 6064, 86791, 173582, 347164, 694328, 1388656]

約数ペア:

[(1, 1388656), (2, 694328), (4, 347164), (8, 173582), (16, 86791), (229, 6064), (379, 3664), (458, 3032), (758, 1832), (916, 1516)]