68250128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{487}}^1$

素因数の和:975

約数の個数: 40

約数和(自身を含む): 139782720

約数和(自身を除く): 71532592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 461, 487, 922, 974, 1844, 1948, 3688, 3896, 7376, 7792, 8759, 9253, 17518, 18506, 35036, 37012, 70072, 74024, 140144, 148048, 224507, 449014, 898028, 1796056, 3592112, 4265633, 8531266, 17062532, 34125064, 68250128]

約数ペア:

[(1, 68250128), (2, 34125064), (4, 17062532), (8, 8531266), (16, 4265633), (19, 3592112), (38, 1796056), (76, 898028), (152, 449014), (304, 224507), (461, 148048), (487, 140144), (922, 74024), (974, 70072), (1844, 37012), (1948, 35036), (3688, 18506), (3896, 17518), (7376, 9253), (7792, 8759)]