3648784321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1\times {\mathrm{2137}}^1$

素因数の和:2833

約数の個数: 32

約数和(自身を含む): 4655024640

約数和(自身を除く): 1006240319

約数列:

[1, 7, 13, 29, 91, 203, 377, 647, 2137, 2639, 4529, 8411, 14959, 18763, 27781, 58877, 61973, 131341, 194467, 243919, 433811, 805649, 1382639, 1707433, 5639543, 9678473, 17974307, 40096531, 125820149, 280675717, 521254903, 3648784321]

約数ペア:

[(1, 3648784321), (7, 521254903), (13, 280675717), (29, 125820149), (91, 40096531), (203, 17974307), (377, 9678473), (647, 5639543), (2137, 1707433), (2639, 1382639), (4529, 805649), (8411, 433811), (14959, 243919), (18763, 194467), (27781, 131341), (58877, 61973)]