620173813

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{245419}}^1$

素因数の和:245464

約数の個数: 12

約数和(自身を含む): 748040160

約数和(自身を除く): 127866347

約数列:

[1, 7, 19, 133, 361, 2527, 245419, 1717933, 4662961, 32640727, 88596259, 620173813]

約数ペア:

[(1, 620173813), (7, 88596259), (19, 32640727), (133, 4662961), (361, 1717933), (2527, 245419)]