638643648

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1759}}^1$

素因数の和:1866

約数の個数: 112

約数和(自身を含む): 1773854720

約数和(自身を除く): 1135211072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 61, 62, 64, 93, 96, 122, 124, 183, 186, 192, 244, 248, 366, 372, 488, 496, 732, 744, 976, 992, 1464, 1488, 1759, 1891, 1952, 1984, 2928, 2976, 3518, 3782, 3904, 5277, 5673, 5856, 5952, 7036, 7564, 10554, 11346, 11712, 14072, 15128, 21108, 22692, 28144, 30256, 42216, 45384, 54529, 56288, 60512, 84432, 90768, 107299, 109058, 112576, 121024, 163587, 168864, 181536, 214598, 218116, 321897, 327174, 337728, 363072, 429196, 436232, 643794, 654348, 858392, 872464, 1287588, 1308696, 1716784, 1744928, 2575176, 2617392, 3326269, 3433568, 3489856, 5150352, 5234784, 6652538, 6867136, 9978807, 10300704, 10469568, 13305076, 19957614, 20601408, 26610152, 39915228, 53220304, 79830456, 106440608, 159660912, 212881216, 319321824, 638643648]

約数ペア:

[(1, 638643648), (2, 319321824), (3, 212881216), (4, 159660912), (6, 106440608), (8, 79830456), (12, 53220304), (16, 39915228), (24, 26610152), (31, 20601408), (32, 19957614), (48, 13305076), (61, 10469568), (62, 10300704), (64, 9978807), (93, 6867136), (96, 6652538), (122, 5234784), (124, 5150352), (183, 3489856), (186, 3433568), (192, 3326269), (244, 2617392), (248, 2575176), (366, 1744928), (372, 1716784), (488, 1308696), (496, 1287588), (732, 872464), (744, 858392), (976, 654348), (992, 643794), (1464, 436232), (1488, 429196), (1759, 363072), (1891, 337728), (1952, 327174), (1984, 321897), (2928, 218116), (2976, 214598), (3518, 181536), (3782, 168864), (3904, 163587), (5277, 121024), (5673, 112576), (5856, 109058), (5952, 107299), (7036, 90768), (7564, 84432), (10554, 60512), (11346, 56288), (11712, 54529), (14072, 45384), (15128, 42216), (21108, 30256), (22692, 28144)]