719984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2647}}^1$

素因数の和:2672

約数の個数: 20

約数和(自身を含む): 1477584

約数和(自身を除く): 757600

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2647, 5294, 10588, 21176, 42352, 44999, 89998, 179996, 359992, 719984]

約数ペア:

[(1, 719984), (2, 359992), (4, 179996), (8, 89998), (16, 44999), (17, 42352), (34, 21176), (68, 10588), (136, 5294), (272, 2647)]