209816928

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:449

約数の個数: 144

約数和(自身を含む): 626476032

約数和(自身を除く): 416659104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 71, 72, 93, 96, 124, 142, 144, 186, 213, 248, 279, 284, 288, 331, 372, 426, 496, 558, 568, 639, 662, 744, 852, 992, 993, 1116, 1136, 1278, 1324, 1488, 1704, 1986, 2201, 2232, 2272, 2556, 2648, 2976, 2979, 3408, 3972, 4402, 4464, 5112, 5296, 5958, 6603, 6816, 7944, 8804, 8928, 10224, 10261, 10592, 11916, 13206, 15888, 17608, 19809, 20448, 20522, 23501, 23832, 26412, 30783, 31776, 35216, 39618, 41044, 47002, 47664, 52824, 61566, 70432, 70503, 79236, 82088, 92349, 94004, 95328, 105648, 123132, 141006, 158472, 164176, 184698, 188008, 211296, 211509, 246264, 282012, 316944, 328352, 369396, 376016, 423018, 492528, 564024, 633888, 728531, 738792, 752032, 846036, 985056, 1128048, 1457062, 1477584, 1692072, 2185593, 2256096, 2914124, 2955168, 3384144, 4371186, 5828248, 6556779, 6768288, 8742372, 11656496, 13113558, 17484744, 23312992, 26227116, 34969488, 52454232, 69938976, 104908464, 209816928]

約数ペア:

[(1, 209816928), (2, 104908464), (3, 69938976), (4, 52454232), (6, 34969488), (8, 26227116), (9, 23312992), (12, 17484744), (16, 13113558), (18, 11656496), (24, 8742372), (31, 6768288), (32, 6556779), (36, 5828248), (48, 4371186), (62, 3384144), (71, 2955168), (72, 2914124), (93, 2256096), (96, 2185593), (124, 1692072), (142, 1477584), (144, 1457062), (186, 1128048), (213, 985056), (248, 846036), (279, 752032), (284, 738792), (288, 728531), (331, 633888), (372, 564024), (426, 492528), (496, 423018), (558, 376016), (568, 369396), (639, 328352), (662, 316944), (744, 282012), (852, 246264), (992, 211509), (993, 211296), (1116, 188008), (1136, 184698), (1278, 164176), (1324, 158472), (1488, 141006), (1704, 123132), (1986, 105648), (2201, 95328), (2232, 94004), (2272, 92349), (2556, 82088), (2648, 79236), (2976, 70503), (2979, 70432), (3408, 61566), (3972, 52824), (4402, 47664), (4464, 47002), (5112, 41044), (5296, 39618), (5958, 35216), (6603, 31776), (6816, 30783), (7944, 26412), (8804, 23832), (8928, 23501), (10224, 20522), (10261, 20448), (10592, 19809), (11916, 17608), (13206, 15888)]