257693888

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{547}}^1$

素因数の和:1009

約数の個数: 56

約数和(自身を含む): 543683952

約数和(自身を除く): 285990064

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 433, 544, 547, 866, 1088, 1094, 1732, 2188, 3464, 4376, 6928, 7361, 8752, 9299, 13856, 14722, 17504, 18598, 27712, 29444, 35008, 37196, 58888, 74392, 117776, 148784, 235552, 236851, 297568, 471104, 473702, 595136, 947404, 1894808, 3789616, 4026467, 7579232, 8052934, 15158464, 16105868, 32211736, 64423472, 128846944, 257693888]

約数ペア:

[(1, 257693888), (2, 128846944), (4, 64423472), (8, 32211736), (16, 16105868), (17, 15158464), (32, 8052934), (34, 7579232), (64, 4026467), (68, 3789616), (136, 1894808), (272, 947404), (433, 595136), (544, 473702), (547, 471104), (866, 297568), (1088, 236851), (1094, 235552), (1732, 148784), (2188, 117776), (3464, 74392), (4376, 58888), (6928, 37196), (7361, 35008), (8752, 29444), (9299, 27712), (13856, 18598), (14722, 17504)]