399383761

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{62219}}^1$

素因数の和:62364

約数の個数: 12

約数和(自身を含む): 468143280

約数和(自身を除く): 68759519

約数列:

[1, 7, 49, 131, 917, 6419, 62219, 435533, 3048731, 8150689, 57054823, 399383761]

約数ペア:

[(1, 399383761), (7, 57054823), (49, 8150689), (131, 3048731), (917, 435533), (6419, 62219)]