211231375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{929}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 282035520

約数和(自身を除く): 70804145

約数列:

[1, 5, 17, 25, 85, 107, 125, 425, 535, 929, 1819, 2125, 2675, 4645, 9095, 13375, 15793, 23225, 45475, 78965, 99403, 116125, 227375, 394825, 497015, 1689851, 1974125, 2485075, 8449255, 12425375, 42246275, 211231375]

約数ペア:

[(1, 211231375), (5, 42246275), (17, 12425375), (25, 8449255), (85, 2485075), (107, 1974125), (125, 1689851), (425, 497015), (535, 394825), (929, 227375), (1819, 116125), (2125, 99403), (2675, 78965), (4645, 45475), (9095, 23225), (13375, 15793)]