890991290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{12728447}}^1$

素因数の和:12728461

約数の個数: 16

約数和(自身を含む): 1832896512

約数和(自身を除く): 941905222

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 12728447, 25456894, 63642235, 89099129, 127284470, 178198258, 445495645, 890991290]

約数ペア:

[(1, 890991290), (2, 445495645), (5, 178198258), (7, 127284470), (10, 89099129), (14, 63642235), (35, 25456894), (70, 12728447)]