138707968

素因数分解:

$2^{10}\times 7^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:587

約数の個数: 88

約数和(自身を含む): 326078912

約数和(自身を除く): 187370944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 448, 512, 518, 523, 592, 896, 1024, 1036, 1046, 1184, 1792, 2072, 2092, 2368, 3584, 3661, 4144, 4184, 4736, 7168, 7322, 8288, 8368, 9472, 14644, 16576, 16736, 18944, 19351, 29288, 33152, 33472, 37888, 38702, 58576, 66304, 66944, 77404, 117152, 132608, 133888, 135457, 154808, 234304, 265216, 267776, 270914, 309616, 468608, 535552, 541828, 619232, 937216, 1083656, 1238464, 1874432, 2167312, 2476928, 3748864, 4334624, 4953856, 8669248, 9907712, 17338496, 19815424, 34676992, 69353984, 138707968]

約数ペア:

[(1, 138707968), (2, 69353984), (4, 34676992), (7, 19815424), (8, 17338496), (14, 9907712), (16, 8669248), (28, 4953856), (32, 4334624), (37, 3748864), (56, 2476928), (64, 2167312), (74, 1874432), (112, 1238464), (128, 1083656), (148, 937216), (224, 619232), (256, 541828), (259, 535552), (296, 468608), (448, 309616), (512, 270914), (518, 267776), (523, 265216), (592, 234304), (896, 154808), (1024, 135457), (1036, 133888), (1046, 132608), (1184, 117152), (1792, 77404), (2072, 66944), (2092, 66304), (2368, 58576), (3584, 38702), (3661, 37888), (4144, 33472), (4184, 33152), (4736, 29288), (7168, 19351), (7322, 18944), (8288, 16736), (8368, 16576), (9472, 14644)]