12987882

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 29484000

約数和(自身を除く): 16496118

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 139, 174, 179, 261, 278, 358, 417, 522, 537, 834, 1074, 1251, 1611, 2502, 3222, 4031, 5191, 8062, 10382, 12093, 15573, 24186, 24881, 31146, 36279, 46719, 49762, 72558, 74643, 93438, 149286, 223929, 447858, 721549, 1443098, 2164647, 4329294, 6493941, 12987882]

約数ペア:

[(1, 12987882), (2, 6493941), (3, 4329294), (6, 2164647), (9, 1443098), (18, 721549), (29, 447858), (58, 223929), (87, 149286), (139, 93438), (174, 74643), (179, 72558), (261, 49762), (278, 46719), (358, 36279), (417, 31146), (522, 24881), (537, 24186), (834, 15573), (1074, 12093), (1251, 10382), (1611, 8062), (2502, 5191), (3222, 4031)]