199019093

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 252924672

約数和(自身を除く): 53905579

約数列:

[1, 7, 13, 43, 91, 181, 281, 301, 559, 1267, 1967, 2353, 3653, 3913, 7783, 12083, 16471, 25571, 50861, 54481, 84581, 101179, 157079, 356027, 661193, 708253, 1099553, 2187023, 4628351, 15309161, 28431299, 199019093]

約数ペア:

[(1, 199019093), (7, 28431299), (13, 15309161), (43, 4628351), (91, 2187023), (181, 1099553), (281, 708253), (301, 661193), (559, 356027), (1267, 157079), (1967, 101179), (2353, 84581), (3653, 54481), (3913, 50861), (7783, 25571), (12083, 16471)]