247946266

素因数分解:

$2^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1\times {\mathrm{757}}^1$

素因数の和:1569

約数の個数: 16

約数和(自身を含む): 374254920

約数和(自身を除く): 126308654

約数列:

[1, 2, 389, 421, 757, 778, 842, 1514, 163769, 294473, 318697, 327538, 588946, 637394, 123973133, 247946266]

約数ペア:

[(1, 247946266), (2, 123973133), (389, 637394), (421, 588946), (757, 327538), (778, 318697), (842, 294473), (1514, 163769)]