81914906878

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{43951}}^1$

素因数の和:44209

約数の個数: 64

約数和(自身を含む): 153113296896

約数和(自身を除く): 71198390018

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 191, 238, 287, 382, 574, 697, 1337, 1394, 2674, 3247, 4879, 6494, 7831, 9758, 15662, 22729, 43951, 45458, 54817, 87902, 109634, 133127, 266254, 307657, 615314, 747167, 931889, 1494334, 1801991, 1863778, 3603982, 5230169, 8394641, 10460338, 12613937, 16789282, 25227874, 30633847, 58762487, 61267694, 117524974, 142708897, 214436929, 285417794, 344180281, 428873858, 688360562, 998962279, 1997924558, 2409261967, 4818523934, 5851064777, 11702129554, 40957453439, 81914906878]

約数ペア:

[(1, 81914906878), (2, 40957453439), (7, 11702129554), (14, 5851064777), (17, 4818523934), (34, 2409261967), (41, 1997924558), (82, 998962279), (119, 688360562), (191, 428873858), (238, 344180281), (287, 285417794), (382, 214436929), (574, 142708897), (697, 117524974), (1337, 61267694), (1394, 58762487), (2674, 30633847), (3247, 25227874), (4879, 16789282), (6494, 12613937), (7831, 10460338), (9758, 8394641), (15662, 5230169), (22729, 3603982), (43951, 1863778), (45458, 1801991), (54817, 1494334), (87902, 931889), (109634, 747167), (133127, 615314), (266254, 307657)]