128322688

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1151}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 279659520

約数和(自身を除く): 151336832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 268, 416, 536, 832, 871, 1072, 1151, 1664, 1742, 2144, 2302, 3484, 4288, 4604, 6968, 8576, 9208, 13936, 14963, 18416, 27872, 29926, 36832, 55744, 59852, 73664, 77117, 111488, 119704, 147328, 154234, 239408, 308468, 478816, 616936, 957632, 1002521, 1233872, 1915264, 2005042, 2467744, 4010084, 4935488, 8020168, 9870976, 16040336, 32080672, 64161344, 128322688]

約数ペア:

[(1, 128322688), (2, 64161344), (4, 32080672), (8, 16040336), (13, 9870976), (16, 8020168), (26, 4935488), (32, 4010084), (52, 2467744), (64, 2005042), (67, 1915264), (104, 1233872), (128, 1002521), (134, 957632), (208, 616936), (268, 478816), (416, 308468), (536, 239408), (832, 154234), (871, 147328), (1072, 119704), (1151, 111488), (1664, 77117), (1742, 73664), (2144, 59852), (2302, 55744), (3484, 36832), (4288, 29926), (4604, 27872), (6968, 18416), (8576, 14963), (9208, 13936)]