81409902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 194918400

約数和(自身を除く): 113508498

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 89, 174, 178, 203, 267, 406, 534, 609, 623, 751, 1218, 1246, 1502, 1869, 2253, 2581, 3738, 4506, 5162, 5257, 7743, 10514, 15486, 15771, 18067, 21779, 31542, 36134, 43558, 54201, 65337, 66839, 108402, 130674, 133678, 152453, 200517, 304906, 401034, 457359, 467873, 914718, 935746, 1403619, 1938331, 2807238, 3876662, 5814993, 11629986, 13568317, 27136634, 40704951, 81409902]

約数ペア:

[(1, 81409902), (2, 40704951), (3, 27136634), (6, 13568317), (7, 11629986), (14, 5814993), (21, 3876662), (29, 2807238), (42, 1938331), (58, 1403619), (87, 935746), (89, 914718), (174, 467873), (178, 457359), (203, 401034), (267, 304906), (406, 200517), (534, 152453), (609, 133678), (623, 130674), (751, 108402), (1218, 66839), (1246, 65337), (1502, 54201), (1869, 43558), (2253, 36134), (2581, 31542), (3738, 21779), (4506, 18067), (5162, 15771), (5257, 15486), (7743, 10514)]