221821168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{815519}}^1$

素因数の和:815544

約数の個数: 20

約数和(自身を含む): 455060160

約数和(自身を除く): 233238992

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 815519, 1631038, 3262076, 6524152, 13048304, 13863823, 27727646, 55455292, 110910584, 221821168]

約数ペア:

[(1, 221821168), (2, 110910584), (4, 55455292), (8, 27727646), (16, 13863823), (17, 13048304), (34, 6524152), (68, 3262076), (136, 1631038), (272, 815519)]