16983725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 23183040

約数和(自身を除く): 6199315

約数列:

[1, 5, 11, 25, 55, 151, 275, 409, 755, 1661, 2045, 3775, 4499, 8305, 10225, 22495, 41525, 61759, 112475, 308795, 679349, 1543975, 3396745, 16983725]

約数ペア:

[(1, 16983725), (5, 3396745), (11, 1543975), (25, 679349), (55, 308795), (151, 112475), (275, 61759), (409, 41525), (755, 22495), (1661, 10225), (2045, 8305), (3775, 4499)]