73989968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{355721}}^1$

素因数の和:355742

約数の個数: 20

約数和(自身を含む): 154383348

約数和(自身を除く): 80393380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 355721, 711442, 1422884, 2845768, 4624373, 5691536, 9248746, 18497492, 36994984, 73989968]

約数ペア:

[(1, 73989968), (2, 36994984), (4, 18497492), (8, 9248746), (13, 5691536), (16, 4624373), (26, 2845768), (52, 1422884), (104, 711442), (208, 355721)]