255512992

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{3947}}^1$

素因数の和:3998

約数の個数: 72

約数和(自身を含む): 610866144

約数和(自身を除く): 355353152

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 289, 476, 544, 578, 952, 1156, 1904, 2023, 2312, 3808, 3947, 4046, 4624, 7894, 8092, 9248, 15788, 16184, 27629, 31576, 32368, 55258, 63152, 64736, 67099, 110516, 126304, 134198, 221032, 268396, 442064, 469693, 536792, 884128, 939386, 1073584, 1140683, 1878772, 2147168, 2281366, 3757544, 4562732, 7515088, 7984781, 9125464, 15030176, 15969562, 18250928, 31939124, 36501856, 63878248, 127756496, 255512992]

約数ペア:

[(1, 255512992), (2, 127756496), (4, 63878248), (7, 36501856), (8, 31939124), (14, 18250928), (16, 15969562), (17, 15030176), (28, 9125464), (32, 7984781), (34, 7515088), (56, 4562732), (68, 3757544), (112, 2281366), (119, 2147168), (136, 1878772), (224, 1140683), (238, 1073584), (272, 939386), (289, 884128), (476, 536792), (544, 469693), (578, 442064), (952, 268396), (1156, 221032), (1904, 134198), (2023, 126304), (2312, 110516), (3808, 67099), (3947, 64736), (4046, 63152), (4624, 55258), (7894, 32368), (8092, 31576), (9248, 27629), (15788, 16184)]