287351688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{920999}}^1$

素因数の和:921021

約数の個数: 32

約数和(自身を含む): 773640000

約数和(自身を除く): 486288312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 920999, 1841998, 2762997, 3683996, 5525994, 7367992, 11051988, 11972987, 22103976, 23945974, 35918961, 47891948, 71837922, 95783896, 143675844, 287351688]

約数ペア:

[(1, 287351688), (2, 143675844), (3, 95783896), (4, 71837922), (6, 47891948), (8, 35918961), (12, 23945974), (13, 22103976), (24, 11972987), (26, 11051988), (39, 7367992), (52, 5525994), (78, 3683996), (104, 2762997), (156, 1841998), (312, 920999)]