31742825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3931}}^1$

素因数の和:3977

約数の個数: 24

約数和(自身を含む): 43881120

約数和(自身を除く): 12138295

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 3931, 8075, 19655, 66827, 74689, 98275, 334135, 373445, 1269713, 1670675, 1867225, 6348565, 31742825]

約数ペア:

[(1, 31742825), (5, 6348565), (17, 1867225), (19, 1670675), (25, 1269713), (85, 373445), (95, 334135), (323, 98275), (425, 74689), (475, 66827), (1615, 19655), (3931, 8075)]