28243410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 73664640

約数和(自身を除く): 45421230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 139, 195, 278, 390, 417, 521, 695, 834, 1042, 1390, 1563, 1807, 2085, 2605, 3126, 3614, 4170, 5210, 5421, 6773, 7815, 9035, 10842, 13546, 15630, 18070, 20319, 27105, 33865, 40638, 54210, 67730, 72419, 101595, 144838, 203190, 217257, 362095, 434514, 724190, 941447, 1086285, 1882894, 2172570, 2824341, 4707235, 5648682, 9414470, 14121705, 28243410]

約数ペア:

[(1, 28243410), (2, 14121705), (3, 9414470), (5, 5648682), (6, 4707235), (10, 2824341), (13, 2172570), (15, 1882894), (26, 1086285), (30, 941447), (39, 724190), (65, 434514), (78, 362095), (130, 217257), (139, 203190), (195, 144838), (278, 101595), (390, 72419), (417, 67730), (521, 54210), (695, 40638), (834, 33865), (1042, 27105), (1390, 20319), (1563, 18070), (1807, 15630), (2085, 13546), (2605, 10842), (3126, 9035), (3614, 7815), (4170, 6773), (5210, 5421)]