217757568

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 686517120

約数和(自身を除く): 468759552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 71, 84, 96, 98, 112, 128, 142, 147, 163, 168, 192, 196, 213, 224, 284, 294, 326, 336, 384, 392, 426, 448, 489, 497, 568, 588, 652, 672, 784, 852, 896, 978, 994, 1136, 1141, 1176, 1304, 1344, 1491, 1568, 1704, 1956, 1988, 2272, 2282, 2352, 2608, 2688, 2982, 3136, 3408, 3423, 3479, 3912, 3976, 4544, 4564, 4704, 5216, 5964, 6272, 6816, 6846, 6958, 7824, 7952, 7987, 9088, 9128, 9408, 10432, 10437, 11573, 11928, 13632, 13692, 13916, 15648, 15904, 15974, 18256, 18816, 20864, 20874, 23146, 23856, 23961, 27264, 27384, 27832, 31296, 31808, 31948, 34719, 36512, 41748, 46292, 47712, 47922, 54768, 55664, 62592, 63616, 63896, 69438, 73024, 81011, 83496, 92584, 95424, 95844, 109536, 111328, 127792, 138876, 146048, 162022, 166992, 185168, 190848, 191688, 219072, 222656, 243033, 255584, 277752, 324044, 333984, 370336, 383376, 438144, 445312, 486066, 511168, 555504, 567077, 648088, 667968, 740672, 766752, 972132, 1022336, 1111008, 1134154, 1296176, 1335936, 1481344, 1533504, 1701231, 1944264, 2222016, 2268308, 2592352, 3067008, 3402462, 3888528, 4444032, 4536616, 5184704, 6804924, 7777056, 9073232, 10369408, 13609848, 15554112, 18146464, 27219696, 31108224, 36292928, 54439392, 72585856, 108878784, 217757568]

約数ペア:

[(1, 217757568), (2, 108878784), (3, 72585856), (4, 54439392), (6, 36292928), (7, 31108224), (8, 27219696), (12, 18146464), (14, 15554112), (16, 13609848), (21, 10369408), (24, 9073232), (28, 7777056), (32, 6804924), (42, 5184704), (48, 4536616), (49, 4444032), (56, 3888528), (64, 3402462), (71, 3067008), (84, 2592352), (96, 2268308), (98, 2222016), (112, 1944264), (128, 1701231), (142, 1533504), (147, 1481344), (163, 1335936), (168, 1296176), (192, 1134154), (196, 1111008), (213, 1022336), (224, 972132), (284, 766752), (294, 740672), (326, 667968), (336, 648088), (384, 567077), (392, 555504), (426, 511168), (448, 486066), (489, 445312), (497, 438144), (568, 383376), (588, 370336), (652, 333984), (672, 324044), (784, 277752), (852, 255584), (896, 243033), (978, 222656), (994, 219072), (1136, 191688), (1141, 190848), (1176, 185168), (1304, 166992), (1344, 162022), (1491, 146048), (1568, 138876), (1704, 127792), (1956, 111328), (1988, 109536), (2272, 95844), (2282, 95424), (2352, 92584), (2608, 83496), (2688, 81011), (2982, 73024), (3136, 69438), (3408, 63896), (3423, 63616), (3479, 62592), (3912, 55664), (3976, 54768), (4544, 47922), (4564, 47712), (4704, 46292), (5216, 41748), (5964, 36512), (6272, 34719), (6816, 31948), (6846, 31808), (6958, 31296), (7824, 27832), (7952, 27384), (7987, 27264), (9088, 23961), (9128, 23856), (9408, 23146), (10432, 20874), (10437, 20864), (11573, 18816), (11928, 18256), (13632, 15974), (13692, 15904), (13916, 15648)]