28246806

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:85

約数の個数: 144

約数和(自身を含む): 79881984

約数和(自身を除く): 51635178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 23, 27, 38, 42, 46, 54, 57, 63, 69, 81, 114, 126, 133, 138, 161, 162, 171, 189, 207, 243, 266, 322, 342, 361, 378, 399, 414, 437, 483, 486, 513, 567, 621, 722, 798, 874, 966, 1026, 1083, 1134, 1197, 1242, 1311, 1449, 1539, 1701, 1863, 2166, 2394, 2527, 2622, 2898, 3059, 3078, 3249, 3402, 3591, 3726, 3933, 4347, 4617, 5054, 5589, 6118, 6498, 7182, 7581, 7866, 8303, 8694, 9177, 9234, 9747, 10773, 11178, 11799, 13041, 15162, 16606, 18354, 19494, 21546, 22743, 23598, 24909, 26082, 27531, 29241, 32319, 35397, 39123, 45486, 49818, 55062, 58121, 58482, 64638, 68229, 70794, 74727, 78246, 82593, 87723, 106191, 116242, 136458, 149454, 165186, 174363, 175446, 204687, 212382, 224181, 247779, 348726, 409374, 448362, 495558, 523089, 614061, 672543, 743337, 1046178, 1228122, 1345086, 1486674, 1569267, 2017629, 3138534, 4035258, 4707801, 9415602, 14123403, 28246806]

約数ペア:

[(1, 28246806), (2, 14123403), (3, 9415602), (6, 4707801), (7, 4035258), (9, 3138534), (14, 2017629), (18, 1569267), (19, 1486674), (21, 1345086), (23, 1228122), (27, 1046178), (38, 743337), (42, 672543), (46, 614061), (54, 523089), (57, 495558), (63, 448362), (69, 409374), (81, 348726), (114, 247779), (126, 224181), (133, 212382), (138, 204687), (161, 175446), (162, 174363), (171, 165186), (189, 149454), (207, 136458), (243, 116242), (266, 106191), (322, 87723), (342, 82593), (361, 78246), (378, 74727), (399, 70794), (414, 68229), (437, 64638), (483, 58482), (486, 58121), (513, 55062), (567, 49818), (621, 45486), (722, 39123), (798, 35397), (874, 32319), (966, 29241), (1026, 27531), (1083, 26082), (1134, 24909), (1197, 23598), (1242, 22743), (1311, 21546), (1449, 19494), (1539, 18354), (1701, 16606), (1863, 15162), (2166, 13041), (2394, 11799), (2527, 11178), (2622, 10773), (2898, 9747), (3059, 9234), (3078, 9177), (3249, 8694), (3402, 8303), (3591, 7866), (3726, 7581), (3933, 7182), (4347, 6498), (4617, 6118), (5054, 5589)]