638464736832

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:339

約数の個数: 896

約数和(自身を含む): 2064642048000

約数和(自身を除く): 1426177311168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 29, 31, 32, 39, 46, 48, 52, 58, 62, 64, 69, 78, 87, 89, 92, 93, 96, 104, 116, 124, 138, 139, 156, 174, 178, 184, 186, 192, 208, 232, 248, 267, 276, 278, 299, 312, 348, 356, 368, 372, 377, 403, 416, 417, 464, 496, 534, 552, 556, 598, 624, 667, 696, 712, 713, 736, 744, 754, 806, 832, 834, 897, 899, 928, 992, 1068, 1104, 1112, 1131, 1157, 1196, 1209, 1248, 1334, 1392, 1424, 1426, 1472, 1488, 1508, 1612, 1668, 1794, 1798, 1807, 1856, 1984, 2001, 2047, 2136, 2139, 2208, 2224, 2262, 2314, 2392, 2418, 2496, 2581, 2668, 2697, 2759, 2784, 2848, 2852, 2976, 3016, 3197, 3224, 3336, 3471, 3588, 3596, 3614, 4002, 4031, 4094, 4272, 4278, 4309, 4416, 4448, 4524, 4628, 4784, 4836, 5162, 5336, 5394, 5421, 5518, 5568, 5696, 5704, 5952, 6032, 6141, 6394, 6448, 6672, 6942, 7176, 7192, 7228, 7743, 8004, 8062, 8188, 8277, 8544, 8556, 8618, 8671, 8896, 9048, 9256, 9269, 9568, 9591, 9672, 10324, 10672, 10788, 10842, 11036, 11408, 11687, 12064, 12093, 12282, 12371, 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約数ペア:

[(1, 638464736832), (2, 319232368416), (3, 212821578944), (4, 159616184208), (6, 106410789472), (8, 79808092104), (12, 53205394736), (13, 49112672064), (16, 39904046052), (23, 27759336384), (24, 26602697368), (26, 24556336032), (29, 22016025408), (31, 20595636672), (32, 19952023026), (39, 16370890688), (46, 13879668192), (48, 13301348684), (52, 12278168016), (58, 11008012704), (62, 10297818336), (64, 9976011513), (69, 9253112128), (78, 8185445344), (87, 7338675136), (89, 7173761088), (92, 6939834096), (93, 6865212224), (96, 6650674342), (104, 6139084008), (116, 5504006352), (124, 5148909168), (138, 4626556064), (139, 4593271488), (156, 4092722672), (174, 3669337568), (178, 3586880544), (184, 3469917048), (186, 3432606112), (192, 3325337171), (208, 3069542004), (232, 2752003176), (248, 2574454584), (267, 2391253696), (276, 2313278032), (278, 2296635744), (299, 2135333568), (312, 2046361336), (348, 1834668784), (356, 1793440272), (368, 1734958524), (372, 1716303056), (377, 1693540416), 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