1311424

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:704

約数の個数: 28

約数和(自身を含む): 2690368

約数和(自身を除く): 1378944

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 661, 992, 1322, 1984, 2644, 5288, 10576, 20491, 21152, 40982, 42304, 81964, 163928, 327856, 655712, 1311424]

約数ペア:

[(1, 1311424), (2, 655712), (4, 327856), (8, 163928), (16, 81964), (31, 42304), (32, 40982), (62, 21152), (64, 20491), (124, 10576), (248, 5288), (496, 2644), (661, 1984), (992, 1322)]