1291288338

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{2777}}^1$

素因数の和:2976

約数の個数: 64

約数和(自身を含む): 2933568000

約数和(自身を除く): 1642279662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 109, 158, 218, 237, 327, 474, 654, 711, 981, 1422, 1962, 2133, 2777, 2943, 4266, 5554, 5886, 8331, 8611, 16662, 17222, 24993, 25833, 49986, 51666, 74979, 77499, 149958, 154998, 219383, 232497, 302693, 438766, 464994, 605386, 658149, 908079, 1316298, 1816158, 1974447, 2724237, 3948894, 5448474, 5923341, 8172711, 11846682, 16345422, 23912747, 47825494, 71738241, 143476482, 215214723, 430429446, 645644169, 1291288338]

約数ペア:

[(1, 1291288338), (2, 645644169), (3, 430429446), (6, 215214723), (9, 143476482), (18, 71738241), (27, 47825494), (54, 23912747), (79, 16345422), (109, 11846682), (158, 8172711), (218, 5923341), (237, 5448474), (327, 3948894), (474, 2724237), (654, 1974447), (711, 1816158), (981, 1316298), (1422, 908079), (1962, 658149), (2133, 605386), (2777, 464994), (2943, 438766), (4266, 302693), (5554, 232497), (5886, 219383), (8331, 154998), (8611, 149958), (16662, 77499), (17222, 74979), (24993, 51666), (25833, 49986)]