287078376

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{920123}}^1$

素因数の和:920145

約数の個数: 32

約数和(自身を含む): 772904160

約数和(自身を除く): 485825784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 920123, 1840246, 2760369, 3680492, 5520738, 7360984, 11041476, 11961599, 22082952, 23923198, 35884797, 47846396, 71769594, 95692792, 143539188, 287078376]

約数ペア:

[(1, 287078376), (2, 143539188), (3, 95692792), (4, 71769594), (6, 47846396), (8, 35884797), (12, 23923198), (13, 22082952), (24, 11961599), (26, 11041476), (39, 7360984), (52, 5520738), (78, 3680492), (104, 2760369), (156, 1840246), (312, 920123)]