2787395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 32

約数和(自身を含む): 3958080

約数和(自身を除く): 1170685

約数列:

[1, 5, 13, 19, 37, 61, 65, 95, 185, 247, 305, 481, 703, 793, 1159, 1235, 2257, 2405, 3515, 3965, 5795, 9139, 11285, 15067, 29341, 42883, 45695, 75335, 146705, 214415, 557479, 2787395]

約数ペア:

[(1, 2787395), (5, 557479), (13, 214415), (19, 146705), (37, 75335), (61, 45695), (65, 42883), (95, 29341), (185, 15067), (247, 11285), (305, 9139), (481, 5795), (703, 3965), (793, 3515), (1159, 2405), (1235, 2257)]