313638787

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 409973760

約数和(自身を除く): 96334973

約数列:

[1, 7, 11, 23, 77, 161, 253, 409, 433, 1771, 2863, 3031, 4499, 4763, 9407, 9959, 31493, 33341, 65849, 69713, 103477, 109549, 177097, 724339, 766843, 1239679, 1948067, 4073231, 13636469, 28512617, 44805541, 313638787]

約数ペア:

[(1, 313638787), (7, 44805541), (11, 28512617), (23, 13636469), (77, 4073231), (161, 1948067), (253, 1239679), (409, 766843), (433, 724339), (1771, 177097), (2863, 109549), (3031, 103477), (4499, 69713), (4763, 65849), (9407, 33341), (9959, 31493)]