39978475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 53032320

約数和(自身を除く): 13053845

約数列:

[1, 5, 17, 25, 85, 109, 425, 545, 863, 1853, 2725, 4315, 9265, 14671, 21575, 46325, 73355, 94067, 366775, 470335, 1599139, 2351675, 7995695, 39978475]

約数ペア:

[(1, 39978475), (5, 7995695), (17, 2351675), (25, 1599139), (85, 470335), (109, 366775), (425, 94067), (545, 73355), (863, 46325), (1853, 21575), (2725, 14671), (4315, 9265)]