65431808

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19661}}^1$

素因数の和:19690

約数の個数: 36

約数和(自身を含む): 140661948

約数和(自身を除く): 75230140

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 19661, 39322, 78644, 157288, 255593, 314576, 511186, 629152, 1022372, 1258304, 2044744, 2516608, 4089488, 5033216, 8178976, 16357952, 32715904, 65431808]

約数ペア:

[(1, 65431808), (2, 32715904), (4, 16357952), (8, 8178976), (13, 5033216), (16, 4089488), (26, 2516608), (32, 2044744), (52, 1258304), (64, 1022372), (104, 629152), (128, 511186), (208, 314576), (256, 255593), (416, 157288), (832, 78644), (1664, 39322), (3328, 19661)]