81662028

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4789}}^1$

素因数の和:4839

約数の個数: 72

約数和(自身を含む): 229345200

約数和(自身を除く): 147683172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 58, 84, 87, 98, 116, 147, 174, 196, 203, 294, 348, 406, 588, 609, 812, 1218, 1421, 2436, 2842, 4263, 4789, 5684, 8526, 9578, 14367, 17052, 19156, 28734, 33523, 57468, 67046, 100569, 134092, 138881, 201138, 234661, 277762, 402276, 416643, 469322, 555524, 703983, 833286, 938644, 972167, 1407966, 1666572, 1944334, 2815932, 2916501, 3888668, 5833002, 6805169, 11666004, 13610338, 20415507, 27220676, 40831014, 81662028]

約数ペア:

[(1, 81662028), (2, 40831014), (3, 27220676), (4, 20415507), (6, 13610338), (7, 11666004), (12, 6805169), (14, 5833002), (21, 3888668), (28, 2916501), (29, 2815932), (42, 1944334), (49, 1666572), (58, 1407966), (84, 972167), (87, 938644), (98, 833286), (116, 703983), (147, 555524), (174, 469322), (196, 416643), (203, 402276), (294, 277762), (348, 234661), (406, 201138), (588, 138881), (609, 134092), (812, 100569), (1218, 67046), (1421, 57468), (2436, 33523), (2842, 28734), (4263, 19156), (4789, 17052), (5684, 14367), (8526, 9578)]