261648023

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{839}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 338688000

約数和(自身を除く): 77039977

約数列:

[1, 7, 13, 23, 91, 149, 161, 299, 839, 1043, 1937, 2093, 3427, 5873, 10907, 13559, 19297, 23989, 44551, 76349, 125011, 135079, 250861, 311857, 875077, 1625143, 1756027, 2875253, 11376001, 20126771, 37378289, 261648023]

約数ペア:

[(1, 261648023), (7, 37378289), (13, 20126771), (23, 11376001), (91, 2875253), (149, 1756027), (161, 1625143), (299, 875077), (839, 311857), (1043, 250861), (1937, 135079), (2093, 125011), (3427, 76349), (5873, 44551), (10907, 23989), (13559, 19297)]