12380345

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 15396480

約数和(自身を除く): 3016135

約数列:

[1, 5, 43, 89, 215, 445, 647, 3235, 3827, 19135, 27821, 57583, 139105, 287915, 2476069, 12380345]

約数ペア:

[(1, 12380345), (5, 2476069), (43, 287915), (89, 139105), (215, 57583), (445, 27821), (647, 19135), (3235, 3827)]