28688907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4937}}^1$

素因数の和:5102

約数の個数: 16

約数和(自身を含む): 41479200

約数和(自身を除く): 12790293

約数列:

[1, 3, 13, 39, 149, 447, 1937, 4937, 5811, 14811, 64181, 192543, 735613, 2206839, 9562969, 28688907]

約数ペア:

[(1, 28688907), (3, 9562969), (13, 2206839), (39, 735613), (149, 192543), (447, 64181), (1937, 14811), (4937, 5811)]