247019388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:424

約数の個数: 144

約数和(自身を含む): 738960768

約数和(自身を除く): 491941380

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 181, 196, 211, 231, 294, 308, 362, 422, 462, 539, 543, 588, 633, 724, 844, 924, 1078, 1086, 1266, 1267, 1477, 1617, 1991, 2156, 2172, 2321, 2532, 2534, 2954, 3234, 3801, 3982, 4431, 4642, 5068, 5908, 5973, 6468, 6963, 7602, 7964, 8862, 8869, 9284, 10339, 11946, 13926, 13937, 15204, 16247, 17724, 17738, 20678, 23892, 26607, 27852, 27874, 31017, 32494, 35476, 38191, 41356, 41811, 48741, 53214, 55748, 62034, 64988, 76382, 83622, 97482, 97559, 106428, 113729, 114573, 124068, 152764, 167244, 194964, 195118, 227458, 229146, 267337, 292677, 341187, 390236, 420101, 454916, 458292, 534674, 585354, 682374, 802011, 840202, 1069348, 1170708, 1260303, 1364748, 1604022, 1680404, 1871359, 2520606, 2940707, 3208044, 3742718, 5041212, 5614077, 5881414, 7485436, 8822121, 11228154, 11762828, 17644242, 20584949, 22456308, 35288484, 41169898, 61754847, 82339796, 123509694, 247019388]

約数ペア:

[(1, 247019388), (2, 123509694), (3, 82339796), (4, 61754847), (6, 41169898), (7, 35288484), (11, 22456308), (12, 20584949), (14, 17644242), (21, 11762828), (22, 11228154), (28, 8822121), (33, 7485436), (42, 5881414), (44, 5614077), (49, 5041212), (66, 3742718), (77, 3208044), (84, 2940707), (98, 2520606), (132, 1871359), (147, 1680404), (154, 1604022), (181, 1364748), (196, 1260303), (211, 1170708), (231, 1069348), (294, 840202), (308, 802011), (362, 682374), (422, 585354), (462, 534674), (539, 458292), (543, 454916), (588, 420101), (633, 390236), (724, 341187), (844, 292677), (924, 267337), (1078, 229146), (1086, 227458), (1266, 195118), (1267, 194964), (1477, 167244), (1617, 152764), (1991, 124068), (2156, 114573), (2172, 113729), (2321, 106428), (2532, 97559), (2534, 97482), (2954, 83622), (3234, 76382), (3801, 64988), (3982, 62034), (4431, 55748), (4642, 53214), (5068, 48741), (5908, 41811), (5973, 41356), (6468, 38191), (6963, 35476), (7602, 32494), (7964, 31017), (8862, 27874), (8869, 27852), (9284, 26607), (10339, 23892), (11946, 20678), (13926, 17738), (13937, 17724), (15204, 16247)]