138976615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{18371}}^1$

素因数の和:18482

約数の個数: 16

約数和(自身を含む): 178575840

約数和(自身を除く): 39599225

約数列:

[1, 5, 17, 85, 89, 445, 1513, 7565, 18371, 91855, 312307, 1561535, 1635019, 8175095, 27795323, 138976615]

約数ペア:

[(1, 138976615), (5, 27795323), (17, 8175095), (85, 1635019), (89, 1561535), (445, 312307), (1513, 91855), (7565, 18371)]