12978486

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 31056480

約数和(自身を除く): 18077994

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 46, 47, 58, 69, 87, 94, 138, 141, 174, 207, 261, 282, 414, 423, 522, 529, 667, 846, 1058, 1081, 1334, 1363, 1587, 2001, 2162, 2726, 3174, 3243, 4002, 4089, 4761, 6003, 6486, 8178, 9522, 9729, 12006, 12267, 15341, 19458, 24534, 24863, 30682, 31349, 46023, 49726, 62698, 74589, 92046, 94047, 138069, 149178, 188094, 223767, 276138, 282141, 447534, 564282, 721027, 1442054, 2163081, 4326162, 6489243, 12978486]

約数ペア:

[(1, 12978486), (2, 6489243), (3, 4326162), (6, 2163081), (9, 1442054), (18, 721027), (23, 564282), (29, 447534), (46, 282141), (47, 276138), (58, 223767), (69, 188094), (87, 149178), (94, 138069), (138, 94047), (141, 92046), (174, 74589), (207, 62698), (261, 49726), (282, 46023), (414, 31349), (423, 30682), (522, 24863), (529, 24534), (667, 19458), (846, 15341), (1058, 12267), (1081, 12006), (1334, 9729), (1363, 9522), (1587, 8178), (2001, 6486), (2162, 6003), (2726, 4761), (3174, 4089), (3243, 4002)]