668867914

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1987}}^1$

素因数の和:2131

約数の個数: 48

約数和(自身を含む): 1199336544

約数和(自身を除く): 530468630

約数列:

[1, 2, 11, 13, 22, 26, 107, 121, 143, 214, 242, 286, 1177, 1391, 1573, 1987, 2354, 2782, 3146, 3974, 12947, 15301, 21857, 25831, 25894, 30602, 43714, 51662, 168311, 212609, 240427, 284141, 336622, 425218, 480854, 568282, 2338699, 2763917, 3125551, 4677398, 5527834, 6251102, 25725689, 30403087, 51451378, 60806174, 334433957, 668867914]

約数ペア:

[(1, 668867914), (2, 334433957), (11, 60806174), (13, 51451378), (22, 30403087), (26, 25725689), (107, 6251102), (121, 5527834), (143, 4677398), (214, 3125551), (242, 2763917), (286, 2338699), (1177, 568282), (1391, 480854), (1573, 425218), (1987, 336622), (2354, 284141), (2782, 240427), (3146, 212609), (3974, 168311), (12947, 51662), (15301, 43714), (21857, 30602), (25831, 25894)]