643397248

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 1456560000

約数和(自身を除く): 813162752

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 67, 104, 116, 128, 134, 199, 208, 232, 268, 377, 398, 416, 464, 536, 754, 796, 832, 871, 928, 1072, 1508, 1592, 1664, 1742, 1856, 1943, 2144, 2587, 3016, 3184, 3484, 3712, 3886, 4288, 5174, 5771, 6032, 6368, 6968, 7772, 8576, 10348, 11542, 12064, 12736, 13333, 13936, 15544, 20696, 23084, 24128, 25259, 25472, 26666, 27872, 31088, 41392, 46168, 48256, 50518, 53332, 55744, 62176, 75023, 82784, 92336, 101036, 106664, 111488, 124352, 150046, 165568, 173329, 184672, 202072, 213328, 248704, 300092, 331136, 346658, 369344, 386657, 404144, 426656, 600184, 693316, 738688, 773314, 808288, 853312, 1200368, 1386632, 1546628, 1616576, 1706624, 2400736, 2773264, 3093256, 3233152, 4801472, 5026541, 5546528, 6186512, 9602944, 10053082, 11093056, 12373024, 20106164, 22186112, 24746048, 40212328, 49492096, 80424656, 160849312, 321698624, 643397248]

約数ペア:

[(1, 643397248), (2, 321698624), (4, 160849312), (8, 80424656), (13, 49492096), (16, 40212328), (26, 24746048), (29, 22186112), (32, 20106164), (52, 12373024), (58, 11093056), (64, 10053082), (67, 9602944), (104, 6186512), (116, 5546528), (128, 5026541), (134, 4801472), (199, 3233152), (208, 3093256), (232, 2773264), (268, 2400736), (377, 1706624), (398, 1616576), (416, 1546628), (464, 1386632), (536, 1200368), (754, 853312), (796, 808288), (832, 773314), (871, 738688), (928, 693316), (1072, 600184), (1508, 426656), (1592, 404144), (1664, 386657), (1742, 369344), (1856, 346658), (1943, 331136), (2144, 300092), (2587, 248704), (3016, 213328), (3184, 202072), (3484, 184672), (3712, 173329), (3886, 165568), (4288, 150046), (5174, 124352), (5771, 111488), (6032, 106664), (6368, 101036), (6968, 92336), (7772, 82784), (8576, 75023), (10348, 62176), (11542, 55744), (12064, 53332), (12736, 50518), (13333, 48256), (13936, 46168), (15544, 41392), (20696, 31088), (23084, 27872), (24128, 26666), (25259, 25472)]