407707205

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 510789888

約数和(自身を除く): 103082683

約数列:

[1, 5, 71, 83, 101, 137, 355, 415, 505, 685, 5893, 7171, 8383, 9727, 11371, 13837, 29465, 35855, 41915, 48635, 56855, 69185, 595193, 807341, 982427, 1148471, 2975965, 4036705, 4912135, 5742355, 81541441, 407707205]

約数ペア:

[(1, 407707205), (5, 81541441), (71, 5742355), (83, 4912135), (101, 4036705), (137, 2975965), (355, 1148471), (415, 982427), (505, 807341), (685, 595193), (5893, 69185), (7171, 56855), (8383, 48635), (9727, 41915), (11371, 35855), (13837, 29465)]