398702992

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1311523}}^1$

素因数の和:1311550

約数の個数: 20

約数和(自身を含む): 813144880

約数和(自身を除く): 414441888

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1311523, 2623046, 5246092, 10492184, 20984368, 24918937, 49837874, 99675748, 199351496, 398702992]

約数ペア:

[(1, 398702992), (2, 199351496), (4, 99675748), (8, 49837874), (16, 24918937), (19, 20984368), (38, 10492184), (76, 5246092), (152, 2623046), (304, 1311523)]