1389808

素因数分解:

$2^4\times 7^1\times {\mathrm{12409}}^1$

素因数の和:12424

約数の個数: 20

約数和(自身を含む): 3077680

約数和(自身を除く): 1687872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 12409, 24818, 49636, 86863, 99272, 173726, 198544, 347452, 694904, 1389808]

約数ペア:

[(1, 1389808), (2, 694904), (4, 347452), (7, 198544), (8, 173726), (14, 99272), (16, 86863), (28, 49636), (56, 24818), (112, 12409)]