12885895

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 36

約数和(自身を含む): 18242280

約数和(自身を除く): 5356385

約数列:

[1, 5, 11, 19, 55, 59, 95, 121, 209, 295, 361, 605, 649, 1045, 1121, 1805, 2299, 3245, 3971, 5605, 7139, 11495, 12331, 19855, 21299, 35695, 43681, 61655, 106495, 135641, 218405, 234289, 678205, 1171445, 2577179, 12885895]

約数ペア:

[(1, 12885895), (5, 2577179), (11, 1171445), (19, 678205), (55, 234289), (59, 218405), (95, 135641), (121, 106495), (209, 61655), (295, 43681), (361, 35695), (605, 21299), (649, 19855), (1045, 12331), (1121, 11495), (1805, 7139), (2299, 5605), (3245, 3971)]