209543488

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:552

約数の個数: 112

約数和(自身を含む): 524792448

約数和(自身を除く): 315248960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 101, 112, 154, 176, 202, 224, 308, 352, 404, 421, 448, 616, 704, 707, 808, 842, 1111, 1232, 1414, 1616, 1684, 2222, 2464, 2828, 2947, 3232, 3368, 4444, 4631, 4928, 5656, 5894, 6464, 6736, 7777, 8888, 9262, 11312, 11788, 13472, 15554, 17776, 18524, 22624, 23576, 26944, 31108, 32417, 35552, 37048, 42521, 45248, 47152, 62216, 64834, 71104, 74096, 85042, 94304, 124432, 129668, 148192, 170084, 188608, 248864, 259336, 296384, 297647, 340168, 467731, 497728, 518672, 595294, 680336, 935462, 1037344, 1190588, 1360672, 1870924, 2074688, 2381176, 2721344, 3274117, 3741848, 4762352, 6548234, 7483696, 9524704, 13096468, 14967392, 19049408, 26192936, 29934784, 52385872, 104771744, 209543488]

約数ペア:

[(1, 209543488), (2, 104771744), (4, 52385872), (7, 29934784), (8, 26192936), (11, 19049408), (14, 14967392), (16, 13096468), (22, 9524704), (28, 7483696), (32, 6548234), (44, 4762352), (56, 3741848), (64, 3274117), (77, 2721344), (88, 2381176), (101, 2074688), (112, 1870924), (154, 1360672), (176, 1190588), (202, 1037344), (224, 935462), (308, 680336), (352, 595294), (404, 518672), (421, 497728), (448, 467731), (616, 340168), (704, 297647), (707, 296384), (808, 259336), (842, 248864), (1111, 188608), (1232, 170084), (1414, 148192), (1616, 129668), (1684, 124432), (2222, 94304), (2464, 85042), (2828, 74096), (2947, 71104), (3232, 64834), (3368, 62216), (4444, 47152), (4631, 45248), (4928, 42521), (5656, 37048), (5894, 35552), (6464, 32417), (6736, 31108), (7777, 26944), (8888, 23576), (9262, 22624), (11312, 18524), (11788, 17776), (13472, 15554)]