213963008

素因数分解:

$2^8\times 7^2\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:528

約数の個数: 108

約数和(自身を含む): 511353612

約数和(自身を除く): 297390604

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 64, 74, 98, 112, 128, 148, 196, 224, 256, 259, 296, 392, 448, 461, 518, 592, 784, 896, 922, 1036, 1184, 1568, 1792, 1813, 1844, 2072, 2368, 3136, 3227, 3626, 3688, 4144, 4736, 6272, 6454, 7252, 7376, 8288, 9472, 12544, 12908, 14504, 14752, 16576, 17057, 22589, 25816, 29008, 29504, 33152, 34114, 45178, 51632, 58016, 59008, 66304, 68228, 90356, 103264, 116032, 118016, 119399, 136456, 180712, 206528, 232064, 238798, 272912, 361424, 413056, 464128, 477596, 545824, 722848, 826112, 835793, 955192, 1091648, 1445696, 1671586, 1910384, 2183296, 2891392, 3343172, 3820768, 4366592, 5782784, 6686344, 7641536, 13372688, 15283072, 26745376, 30566144, 53490752, 106981504, 213963008]

約数ペア:

[(1, 213963008), (2, 106981504), (4, 53490752), (7, 30566144), (8, 26745376), (14, 15283072), (16, 13372688), (28, 7641536), (32, 6686344), (37, 5782784), (49, 4366592), (56, 3820768), (64, 3343172), (74, 2891392), (98, 2183296), (112, 1910384), (128, 1671586), (148, 1445696), (196, 1091648), (224, 955192), (256, 835793), (259, 826112), (296, 722848), (392, 545824), (448, 477596), (461, 464128), (518, 413056), (592, 361424), (784, 272912), (896, 238798), (922, 232064), (1036, 206528), (1184, 180712), (1568, 136456), (1792, 119399), (1813, 118016), (1844, 116032), (2072, 103264), (2368, 90356), (3136, 68228), (3227, 66304), (3626, 59008), (3688, 58016), (4144, 51632), (4736, 45178), (6272, 34114), (6454, 33152), (7252, 29504), (7376, 29008), (8288, 25816), (9472, 22589), (12544, 17057), (12908, 16576), (14504, 14752)]