87178448

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 215771904

約数和(自身を除く): 128593456

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 49, 56, 62, 68, 98, 112, 119, 124, 136, 196, 211, 217, 238, 248, 272, 392, 422, 434, 476, 496, 527, 784, 833, 844, 868, 952, 1054, 1477, 1519, 1666, 1688, 1736, 1904, 2108, 2954, 3038, 3332, 3376, 3472, 3587, 3689, 4216, 5908, 6076, 6541, 6664, 7174, 7378, 8432, 10339, 11816, 12152, 13082, 13328, 14348, 14756, 20678, 23632, 24304, 25109, 25823, 26164, 28696, 29512, 41356, 45787, 50218, 51646, 52328, 57392, 59024, 82712, 91574, 100436, 103292, 104656, 111197, 165424, 175763, 183148, 200872, 206584, 222394, 320509, 351526, 366296, 401744, 413168, 444788, 641018, 703052, 732592, 778379, 889576, 1282036, 1406104, 1556758, 1779152, 2564072, 2812208, 3113516, 5128144, 5448653, 6227032, 10897306, 12454064, 21794612, 43589224, 87178448]

約数ペア:

[(1, 87178448), (2, 43589224), (4, 21794612), (7, 12454064), (8, 10897306), (14, 6227032), (16, 5448653), (17, 5128144), (28, 3113516), (31, 2812208), (34, 2564072), (49, 1779152), (56, 1556758), (62, 1406104), (68, 1282036), (98, 889576), (112, 778379), (119, 732592), (124, 703052), (136, 641018), (196, 444788), (211, 413168), (217, 401744), (238, 366296), (248, 351526), (272, 320509), (392, 222394), (422, 206584), (434, 200872), (476, 183148), (496, 175763), (527, 165424), (784, 111197), (833, 104656), (844, 103292), (868, 100436), (952, 91574), (1054, 82712), (1477, 59024), (1519, 57392), (1666, 52328), (1688, 51646), (1736, 50218), (1904, 45787), (2108, 41356), (2954, 29512), (3038, 28696), (3332, 26164), (3376, 25823), (3472, 25109), (3587, 24304), (3689, 23632), (4216, 20678), (5908, 14756), (6076, 14348), (6541, 13328), (6664, 13082), (7174, 12152), (7378, 11816), (8432, 10339)]