245280256

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:931

約数の個数: 80

約数和(自身を含む): 540684144

約数和(自身を除く): 295403888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 344, 416, 512, 559, 688, 832, 857, 1118, 1376, 1664, 1714, 2236, 2752, 3328, 3428, 4472, 5504, 6656, 6856, 8944, 11008, 11141, 13712, 17888, 22016, 22282, 27424, 35776, 36851, 44564, 54848, 71552, 73702, 89128, 109696, 143104, 147404, 178256, 219392, 286208, 294808, 356512, 438784, 479063, 589616, 713024, 958126, 1179232, 1426048, 1916252, 2358464, 2852096, 3832504, 4716928, 5704192, 7665008, 9433856, 15330016, 18867712, 30660032, 61320064, 122640128, 245280256]

約数ペア:

[(1, 245280256), (2, 122640128), (4, 61320064), (8, 30660032), (13, 18867712), (16, 15330016), (26, 9433856), (32, 7665008), (43, 5704192), (52, 4716928), (64, 3832504), (86, 2852096), (104, 2358464), (128, 1916252), (172, 1426048), (208, 1179232), (256, 958126), (344, 713024), (416, 589616), (512, 479063), (559, 438784), (688, 356512), (832, 294808), (857, 286208), (1118, 219392), (1376, 178256), (1664, 147404), (1714, 143104), (2236, 109696), (2752, 89128), (3328, 73702), (3428, 71552), (4472, 54848), (5504, 44564), (6656, 36851), (6856, 35776), (8944, 27424), (11008, 22282), (11141, 22016), (13712, 17888)]