17984785

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 28094976

約数和(自身を除く): 10110191

約数列:

[1, 5, 7, 13, 29, 35, 47, 65, 91, 145, 203, 235, 329, 377, 455, 611, 841, 1015, 1363, 1645, 1885, 2639, 3055, 4205, 4277, 5887, 6815, 9541, 10933, 13195, 17719, 21385, 29435, 39527, 47705, 54665, 76531, 88595, 124033, 197635, 276689, 382655, 513851, 620165, 1383445, 2569255, 3596957, 17984785]

約数ペア:

[(1, 17984785), (5, 3596957), (7, 2569255), (13, 1383445), (29, 620165), (35, 513851), (47, 382655), (65, 276689), (91, 197635), (145, 124033), (203, 88595), (235, 76531), (329, 54665), (377, 47705), (455, 39527), (611, 29435), (841, 21385), (1015, 17719), (1363, 13195), (1645, 10933), (1885, 9541), (2639, 6815), (3055, 5887), (4205, 4277)]