198709321

素因数分解:

${\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 207662400

約数和(自身を除く): 8953079

約数列:

[1, 43, 89, 137, 379, 3827, 5891, 12193, 16297, 33731, 51923, 524299, 1450433, 2232689, 4621147, 198709321]

約数ペア:

[(1, 198709321), (43, 4621147), (89, 2232689), (137, 1450433), (379, 524299), (3827, 51923), (5891, 33731), (12193, 16297)]