1668202384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{44123}}^1$

素因数の和:44287

約数の個数: 40

約数和(自身を含む): 3446966880

約数和(自身を除く): 1778764496

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 556, 1112, 2224, 2363, 4726, 9452, 18904, 37808, 44123, 88246, 176492, 352984, 705968, 750091, 1500182, 3000364, 6000728, 6133097, 12001456, 12266194, 24532388, 49064776, 98129552, 104262649, 208525298, 417050596, 834101192, 1668202384]

約数ペア:

[(1, 1668202384), (2, 834101192), (4, 417050596), (8, 208525298), (16, 104262649), (17, 98129552), (34, 49064776), (68, 24532388), (136, 12266194), (139, 12001456), (272, 6133097), (278, 6000728), (556, 3000364), (1112, 1500182), (2224, 750091), (2363, 705968), (4726, 352984), (9452, 176492), (18904, 88246), (37808, 44123)]