247208221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{4409}}^1$

素因数の和:4668

約数の個数: 16

約数和(自身を含む): 281534400

約数和(自身を除く): 34326179

約数列:

[1, 13, 19, 227, 247, 2951, 4313, 4409, 56069, 57317, 83771, 1000843, 1089023, 13010959, 19016017, 247208221]

約数ペア:

[(1, 247208221), (13, 19016017), (19, 13010959), (227, 1089023), (247, 1000843), (2951, 83771), (4313, 57317), (4409, 56069)]