199870853

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18457}}^1$

素因数の和:18501

約数の個数: 24

約数和(自身を含む): 265130712

約数和(自身を除く): 65259859

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 10829, 18457, 129199, 239941, 313769, 904393, 1679587, 2196383, 4078997, 11757109, 15374681, 28552979, 199870853]

約数ペア:

[(1, 199870853), (7, 28552979), (13, 15374681), (17, 11757109), (49, 4078997), (91, 2196383), (119, 1679587), (221, 904393), (637, 313769), (833, 239941), (1547, 129199), (10829, 18457)]