1380909818

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{80407}}^1$

素因数の和:80717

約数の個数: 16

約数和(自身を含む): 2145928704

約数和(自身を除く): 765018886

約数列:

[1, 2, 31, 62, 277, 554, 8587, 17174, 80407, 160814, 2492617, 4985234, 22272739, 44545478, 690454909, 1380909818]

約数ペア:

[(1, 1380909818), (2, 690454909), (31, 44545478), (62, 22272739), (277, 4985234), (554, 2492617), (8587, 160814), (17174, 80407)]