399145472

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:701

約数の個数: 80

約数和(自身を含む): 878274144

約数和(自身を除く): 479128672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 131, 176, 256, 262, 352, 512, 524, 541, 704, 1048, 1082, 1408, 1441, 2096, 2164, 2816, 2882, 4192, 4328, 5632, 5764, 5951, 8384, 8656, 11528, 11902, 16768, 17312, 23056, 23804, 33536, 34624, 46112, 47608, 67072, 69248, 70871, 92224, 95216, 138496, 141742, 184448, 190432, 276992, 283484, 368896, 380864, 566968, 737792, 761728, 779581, 1133936, 1523456, 1559162, 2267872, 3046912, 3118324, 4535744, 6236648, 9071488, 12473296, 18142976, 24946592, 36285952, 49893184, 99786368, 199572736, 399145472]

約数ペア:

[(1, 399145472), (2, 199572736), (4, 99786368), (8, 49893184), (11, 36285952), (16, 24946592), (22, 18142976), (32, 12473296), (44, 9071488), (64, 6236648), (88, 4535744), (128, 3118324), (131, 3046912), (176, 2267872), (256, 1559162), (262, 1523456), (352, 1133936), (512, 779581), (524, 761728), (541, 737792), (704, 566968), (1048, 380864), (1082, 368896), (1408, 283484), (1441, 276992), (2096, 190432), (2164, 184448), (2816, 141742), (2882, 138496), (4192, 95216), (4328, 92224), (5632, 70871), (5764, 69248), (5951, 67072), (8384, 47608), (8656, 46112), (11528, 34624), (11902, 33536), (16768, 23804), (17312, 23056)]