208157215

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{205081}}^1$

素因数の和:205122

約数の個数: 16

約数和(自身を含む): 295318080

約数和(自身を除く): 87160865

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 205081, 1025405, 1435567, 5947349, 7177835, 29736745, 41631443, 208157215]

約数ペア:

[(1, 208157215), (5, 41631443), (7, 29736745), (29, 7177835), (35, 5947349), (145, 1435567), (203, 1025405), (1015, 205081)]