66815888

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{16249}}^1$

素因数の和:16514

約数の個数: 20

約数和(自身を含む): 129967500

約数和(自身を除く): 63151612

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 16249, 32498, 64996, 129992, 259984, 4175993, 8351986, 16703972, 33407944, 66815888]

約数ペア:

[(1, 66815888), (2, 33407944), (4, 16703972), (8, 8351986), (16, 4175993), (257, 259984), (514, 129992), (1028, 64996), (2056, 32498), (4112, 16249)]