260919295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{5261}}^1$

素因数の和:5395

約数の個数: 32

約数和(自身を含む): 388967040

約数和(自身を除く): 128047745

約数列:

[1, 5, 7, 13, 35, 65, 91, 109, 455, 545, 763, 1417, 3815, 5261, 7085, 9919, 26305, 36827, 49595, 68393, 184135, 341965, 478751, 573449, 2393755, 2867245, 4014143, 7454837, 20070715, 37274185, 52183859, 260919295]

約数ペア:

[(1, 260919295), (5, 52183859), (7, 37274185), (13, 20070715), (35, 7454837), (65, 4014143), (91, 2867245), (109, 2393755), (455, 573449), (545, 478751), (763, 341965), (1417, 184135), (3815, 68393), (5261, 49595), (7085, 36827), (9919, 26305)]