257078432

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1867}}^1$

素因数の和:2221

約数の個数: 48

約数和(自身を含む): 546995232

約数和(自身を除く): 289916800

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 331, 416, 662, 1324, 1867, 2648, 3734, 4303, 5296, 7468, 8606, 10592, 14936, 17212, 24271, 29872, 34424, 48542, 59744, 68848, 97084, 137696, 194168, 388336, 617977, 776672, 1235954, 2471908, 4943816, 8033701, 9887632, 16067402, 19775264, 32134804, 64269608, 128539216, 257078432]

約数ペア:

[(1, 257078432), (2, 128539216), (4, 64269608), (8, 32134804), (13, 19775264), (16, 16067402), (26, 9887632), (32, 8033701), (52, 4943816), (104, 2471908), (208, 1235954), (331, 776672), (416, 617977), (662, 388336), (1324, 194168), (1867, 137696), (2648, 97084), (3734, 68848), (4303, 59744), (5296, 48542), (7468, 34424), (8606, 29872), (10592, 24271), (14936, 17212)]