87561815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 123171840

約数和(自身を除く): 35610025

約数列:

[1, 5, 11, 17, 55, 71, 85, 187, 355, 781, 935, 1207, 1319, 3905, 6035, 6595, 13277, 14509, 22423, 66385, 72545, 93649, 112115, 246653, 468245, 1030139, 1233265, 1592033, 5150695, 7960165, 17512363, 87561815]

約数ペア:

[(1, 87561815), (5, 17512363), (11, 7960165), (17, 5150695), (55, 1592033), (71, 1233265), (85, 1030139), (187, 468245), (355, 246653), (781, 112115), (935, 93649), (1207, 72545), (1319, 66385), (3905, 22423), (6035, 14509), (6595, 13277)]