207027145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 278691840

約数和(自身を除く): 71664695

約数列:

[1, 5, 13, 31, 65, 127, 155, 403, 635, 809, 1651, 2015, 3937, 4045, 8255, 10517, 19685, 25079, 51181, 52585, 102743, 125395, 255905, 326027, 513715, 1335659, 1630135, 3185033, 6678295, 15925165, 41405429, 207027145]

約数ペア:

[(1, 207027145), (5, 41405429), (13, 15925165), (31, 6678295), (65, 3185033), (127, 1630135), (155, 1335659), (403, 513715), (635, 326027), (809, 255905), (1651, 125395), (2015, 102743), (3937, 52585), (4045, 51181), (8255, 25079), (10517, 19685)]