217203428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{38321}}^1$

素因数の和:38447

約数の個数: 24

約数和(自身を含む): 413111160

約数和(自身を除く): 195907732

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 38321, 76642, 153284, 498173, 996346, 1992692, 4176989, 8353978, 16707956, 54300857, 108601714, 217203428]

約数ペア:

[(1, 217203428), (2, 108601714), (4, 54300857), (13, 16707956), (26, 8353978), (52, 4176989), (109, 1992692), (218, 996346), (436, 498173), (1417, 153284), (2834, 76642), (5668, 38321)]