81876844

素因数分解:

$2^2\times 7^3\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 169344000

約数和(自身を除く): 87467156

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 343, 581, 686, 719, 1162, 1372, 1438, 2324, 2876, 4067, 5033, 8134, 10066, 16268, 20132, 28469, 35231, 56938, 59677, 70462, 113876, 119354, 140924, 238708, 246617, 417739, 493234, 835478, 986468, 1670956, 2924173, 5848346, 11696692, 20469211, 40938422, 81876844]

約数ペア:

[(1, 81876844), (2, 40938422), (4, 20469211), (7, 11696692), (14, 5848346), (28, 2924173), (49, 1670956), (83, 986468), (98, 835478), (166, 493234), (196, 417739), (332, 246617), (343, 238708), (581, 140924), (686, 119354), (719, 113876), (1162, 70462), (1372, 59677), (1438, 56938), (2324, 35231), (2876, 28469), (4067, 20132), (5033, 16268), (8134, 10066)]