1388898070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{109621}}^1$

素因数の和:109816

約数の個数: 32

約数和(自身を含む): 2872973376

約数和(自身を除く): 1484075306

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 362, 905, 1267, 1810, 2534, 6335, 12670, 109621, 219242, 548105, 767347, 1096210, 1534694, 3836735, 7673470, 19841401, 39682802, 99207005, 138889807, 198414010, 277779614, 694449035, 1388898070]

約数ペア:

[(1, 1388898070), (2, 694449035), (5, 277779614), (7, 198414010), (10, 138889807), (14, 99207005), (35, 39682802), (70, 19841401), (181, 7673470), (362, 3836735), (905, 1534694), (1267, 1096210), (1810, 767347), (2534, 548105), (6335, 219242), (12670, 109621)]