399346882010

素因数分解:

$2^1\times 5^1\times {\mathrm{32143}}^1\times {\mathrm{1242407}}^1$

素因数の和:1274557

約数の個数: 16

約数和(自身を含む): 718847329536

約数和(自身を除く): 319500447526

約数列:

[1, 2, 5, 10, 32143, 64286, 160715, 321430, 1242407, 2484814, 6212035, 12424070, 39934688201, 79869376402, 199673441005, 399346882010]

約数ペア:

[(1, 399346882010), (2, 199673441005), (5, 79869376402), (10, 39934688201), (32143, 12424070), (64286, 6212035), (160715, 2484814), (321430, 1242407)]