218503345

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{4447}}^1$

素因数の和:4800

約数の個数: 16

約数和(自身を含む): 271577088

約数和(自身を除く): 53073743

約数列:

[1, 5, 31, 155, 317, 1585, 4447, 9827, 22235, 49135, 137857, 689285, 1409699, 7048495, 43700669, 218503345]

約数ペア:

[(1, 218503345), (5, 43700669), (31, 7048495), (155, 1409699), (317, 689285), (1585, 137857), (4447, 49135), (9827, 22235)]