78418705

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{54269}}^1$

素因数の和:54308

約数の個数: 12

約数和(自身を含む): 99965340

約数和(自身を除く): 21546635

約数列:

[1, 5, 17, 85, 289, 1445, 54269, 271345, 922573, 4612865, 15683741, 78418705]

約数ペア:

[(1, 78418705), (5, 15683741), (17, 4612865), (85, 922573), (289, 271345), (1445, 54269)]