208129921

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1229}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 224352000

約数和(自身を除く): 16222079

約数列:

[1, 23, 37, 199, 851, 1229, 4577, 7363, 28267, 45473, 169349, 244571, 1045879, 5625133, 9049127, 208129921]

約数ペア:

[(1, 208129921), (23, 9049127), (37, 5625133), (199, 1045879), (851, 244571), (1229, 169349), (4577, 45473), (7363, 28267)]