138549355

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1579}}^1$

素因数の和:1723

約数の個数: 32

約数和(自身を含む): 200217600

約数和(自身を除く): 61668245

約数列:

[1, 5, 7, 23, 35, 109, 115, 161, 545, 763, 805, 1579, 2507, 3815, 7895, 11053, 12535, 17549, 36317, 55265, 87745, 172111, 181585, 254219, 860555, 1204777, 1271095, 3958553, 6023885, 19792765, 27709871, 138549355]

約数ペア:

[(1, 138549355), (5, 27709871), (7, 19792765), (23, 6023885), (35, 3958553), (109, 1271095), (115, 1204777), (161, 860555), (545, 254219), (763, 181585), (805, 172111), (1579, 87745), (2507, 55265), (3815, 36317), (7895, 17549), (11053, 12535)]