128260496

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:808

約数の個数: 80

約数和(自身を含む): 308563584

約数和(自身を除く): 180303088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 137, 182, 208, 274, 364, 548, 643, 728, 959, 1096, 1286, 1456, 1781, 1918, 2192, 2572, 3562, 3836, 4501, 5144, 7124, 7672, 8359, 9002, 10288, 12467, 14248, 15344, 16718, 18004, 24934, 28496, 33436, 36008, 49868, 58513, 66872, 72016, 88091, 99736, 117026, 133744, 176182, 199472, 234052, 352364, 468104, 616637, 704728, 936208, 1145183, 1233274, 1409456, 2290366, 2466548, 4580732, 4933096, 8016281, 9161464, 9866192, 16032562, 18322928, 32065124, 64130248, 128260496]

約数ペア:

[(1, 128260496), (2, 64130248), (4, 32065124), (7, 18322928), (8, 16032562), (13, 9866192), (14, 9161464), (16, 8016281), (26, 4933096), (28, 4580732), (52, 2466548), (56, 2290366), (91, 1409456), (104, 1233274), (112, 1145183), (137, 936208), (182, 704728), (208, 616637), (274, 468104), (364, 352364), (548, 234052), (643, 199472), (728, 176182), (959, 133744), (1096, 117026), (1286, 99736), (1456, 88091), (1781, 72016), (1918, 66872), (2192, 58513), (2572, 49868), (3562, 36008), (3836, 33436), (4501, 28496), (5144, 24934), (7124, 18004), (7672, 16718), (8359, 15344), (9002, 14248), (10288, 12467)]