66278778

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{1451}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 138834432

約数和(自身を除く): 72555654

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 331, 662, 993, 1451, 1986, 2902, 4353, 7613, 8706, 15226, 22839, 33373, 45678, 66746, 100119, 200238, 480281, 960562, 1440843, 2881686, 11046463, 22092926, 33139389, 66278778]

約数ペア:

[(1, 66278778), (2, 33139389), (3, 22092926), (6, 11046463), (23, 2881686), (46, 1440843), (69, 960562), (138, 480281), (331, 200238), (662, 100119), (993, 66746), (1451, 45678), (1986, 33373), (2902, 22839), (4353, 15226), (7613, 8706)]