218490635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{128147}}^1$

素因数の和:128194

約数の個数: 16

約数和(自身を含む): 295252992

約数和(自身を除く): 76762357

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 128147, 640735, 1409617, 3972557, 7048085, 19862785, 43698127, 218490635]

約数ペア:

[(1, 218490635), (5, 43698127), (11, 19862785), (31, 7048085), (55, 3972557), (155, 1409617), (341, 640735), (1705, 128147)]