199029425

素因数分解:

$5^2\times 7^2\times {\mathrm{162473}}^1$

素因数の和:162497

約数の個数: 18

約数和(自身を含む): 287091558

約数和(自身を除く): 88062133

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 162473, 812365, 1137311, 4061825, 5686555, 7961177, 28432775, 39805885, 199029425]

約数ペア:

[(1, 199029425), (5, 39805885), (7, 28432775), (25, 7961177), (35, 5686555), (49, 4061825), (175, 1137311), (245, 812365), (1225, 162473)]