208105005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{3823}}^1$

素因数の和:4041

約数の個数: 32

約数和(自身を含む): 352419840

約数和(自身を除く): 144314835

約数列:

[1, 3, 5, 15, 19, 57, 95, 191, 285, 573, 955, 2865, 3629, 3823, 10887, 11469, 18145, 19115, 54435, 57345, 72637, 217911, 363185, 730193, 1089555, 2190579, 3650965, 10952895, 13873667, 41621001, 69368335, 208105005]

約数ペア:

[(1, 208105005), (3, 69368335), (5, 41621001), (15, 13873667), (19, 10952895), (57, 3650965), (95, 2190579), (191, 1089555), (285, 730193), (573, 363185), (955, 217911), (2865, 72637), (3629, 57345), (3823, 54435), (10887, 19115), (11469, 18145)]