8421426

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 21818160

約数和(自身を除く): 13396734

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 29, 34, 39, 51, 58, 73, 78, 87, 102, 117, 146, 153, 174, 219, 221, 234, 261, 306, 377, 438, 442, 493, 522, 657, 663, 754, 949, 986, 1131, 1241, 1314, 1326, 1479, 1898, 1989, 2117, 2262, 2482, 2847, 2958, 3393, 3723, 3978, 4234, 4437, 5694, 6351, 6409, 6786, 7446, 8541, 8874, 11169, 12702, 12818, 16133, 17082, 19053, 19227, 22338, 27521, 32266, 35989, 38106, 38454, 48399, 55042, 57681, 71978, 82563, 96798, 107967, 115362, 145197, 165126, 215934, 247689, 290394, 323901, 467857, 495378, 647802, 935714, 1403571, 2807142, 4210713, 8421426]

約数ペア:

[(1, 8421426), (2, 4210713), (3, 2807142), (6, 1403571), (9, 935714), (13, 647802), (17, 495378), (18, 467857), (26, 323901), (29, 290394), (34, 247689), (39, 215934), (51, 165126), (58, 145197), (73, 115362), (78, 107967), (87, 96798), (102, 82563), (117, 71978), (146, 57681), (153, 55042), (174, 48399), (219, 38454), (221, 38106), (234, 35989), (261, 32266), (306, 27521), (377, 22338), (438, 19227), (442, 19053), (493, 17082), (522, 16133), (657, 12818), (663, 12702), (754, 11169), (949, 8874), (986, 8541), (1131, 7446), (1241, 6786), (1314, 6409), (1326, 6351), (1479, 5694), (1898, 4437), (1989, 4234), (2117, 3978), (2262, 3723), (2482, 3393), (2847, 2958)]