217420806949

素因数分解:

${\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{821}}^1\times {\mathrm{21283}}^1$

素因数の和:22668

約数の個数: 16

約数和(自身を含む): 227580787584

約数和(自身を除く): 10159980635

約数列:

[1, 23, 541, 821, 12443, 18883, 21283, 444161, 489509, 10215703, 11514103, 17473343, 264824369, 401886889, 9453078563, 217420806949]

約数ペア:

[(1, 217420806949), (23, 9453078563), (541, 401886889), (821, 264824369), (12443, 17473343), (18883, 11514103), (21283, 10215703), (444161, 489509)]