381389706

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{298427}}^1$

素因数の和:298506

約数の個数: 24

約数和(自身を含む): 837985824

約数和(自身を除く): 456596118

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 298427, 596854, 895281, 1790562, 2685843, 5371686, 21188317, 42376634, 63564951, 127129902, 190694853, 381389706]

約数ペア:

[(1, 381389706), (2, 190694853), (3, 127129902), (6, 63564951), (9, 42376634), (18, 21188317), (71, 5371686), (142, 2685843), (213, 1790562), (426, 895281), (639, 596854), (1278, 298427)]