211672289

素因数分解:

${\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 224446464

約数和(自身を除く): 12774175

約数列:

[1, 23, 131, 163, 431, 3013, 3749, 9913, 21353, 56461, 70253, 491119, 1298603, 1615819, 9203143, 211672289]

約数ペア:

[(1, 211672289), (23, 9203143), (131, 1615819), (163, 1298603), (431, 491119), (3013, 70253), (3749, 56461), (9913, 21353)]