65660416

素因数分解:

$2^9\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:774

約数の個数: 40

約数和(自身を含む): 131967000

約数和(自身を除く): 66306584

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 257, 499, 512, 514, 998, 1028, 1996, 2056, 3992, 4112, 7984, 8224, 15968, 16448, 31936, 32896, 63872, 65792, 127744, 128243, 131584, 255488, 256486, 512972, 1025944, 2051888, 4103776, 8207552, 16415104, 32830208, 65660416]

約数ペア:

[(1, 65660416), (2, 32830208), (4, 16415104), (8, 8207552), (16, 4103776), (32, 2051888), (64, 1025944), (128, 512972), (256, 256486), (257, 255488), (499, 131584), (512, 128243), (514, 127744), (998, 65792), (1028, 63872), (1996, 32896), (2056, 31936), (3992, 16448), (4112, 15968), (7984, 8224)]