201808187

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43223}}^1$

素因数の和:43282

約数の個数: 16

約数和(自身を含む): 248970240

約数和(自身を除く): 47162053

約数列:

[1, 7, 23, 29, 161, 203, 667, 4669, 43223, 302561, 994129, 1253467, 6958903, 8774269, 28829741, 201808187]

約数ペア:

[(1, 201808187), (7, 28829741), (23, 8774269), (29, 6958903), (161, 1253467), (203, 994129), (667, 302561), (4669, 43223)]