87209584

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1094

約数の個数: 80

約数和(自身を含む): 213843456

約数和(自身を除く): 126633872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 71, 77, 88, 112, 142, 154, 176, 284, 308, 497, 568, 616, 781, 994, 997, 1136, 1232, 1562, 1988, 1994, 3124, 3976, 3988, 5467, 6248, 6979, 7952, 7976, 10934, 10967, 12496, 13958, 15952, 21868, 21934, 27916, 43736, 43868, 55832, 70787, 76769, 87472, 87736, 111664, 141574, 153538, 175472, 283148, 307076, 495509, 566296, 614152, 778657, 991018, 1132592, 1228304, 1557314, 1982036, 3114628, 3964072, 5450599, 6229256, 7928144, 10901198, 12458512, 21802396, 43604792, 87209584]

約数ペア:

[(1, 87209584), (2, 43604792), (4, 21802396), (7, 12458512), (8, 10901198), (11, 7928144), (14, 6229256), (16, 5450599), (22, 3964072), (28, 3114628), (44, 1982036), (56, 1557314), (71, 1228304), (77, 1132592), (88, 991018), (112, 778657), (142, 614152), (154, 566296), (176, 495509), (284, 307076), (308, 283148), (497, 175472), (568, 153538), (616, 141574), (781, 111664), (994, 87736), (997, 87472), (1136, 76769), (1232, 70787), (1562, 55832), (1988, 43868), (1994, 43736), (3124, 27916), (3976, 21934), (3988, 21868), (5467, 15952), (6248, 13958), (6979, 12496), (7952, 10967), (7976, 10934)]