1328336

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1430

約数の個数: 20

約数和(自身を含む): 2617764

約数和(自身を除く): 1289428

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 1361, 2722, 5444, 10888, 21776, 83021, 166042, 332084, 664168, 1328336]

約数ペア:

[(1, 1328336), (2, 664168), (4, 332084), (8, 166042), (16, 83021), (61, 21776), (122, 10888), (244, 5444), (488, 2722), (976, 1361)]