289708375502

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2213}}^1\times {\mathrm{719297}}^1$

素因数の和:721532

約数の個数: 32

約数和(自身を含む): 535088659392

約数和(自身を除く): 245380283890

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 2213, 4426, 15491, 28769, 30982, 57538, 201383, 402766, 719297, 1438594, 5035079, 9350861, 10070158, 18701722, 65456027, 130912054, 1591804261, 3183608522, 11142629827, 20693455393, 22285259654, 41386910786, 144854187751, 289708375502]

約数ペア:

[(1, 289708375502), (2, 144854187751), (7, 41386910786), (13, 22285259654), (14, 20693455393), (26, 11142629827), (91, 3183608522), (182, 1591804261), (2213, 130912054), (4426, 65456027), (15491, 18701722), (28769, 10070158), (30982, 9350861), (57538, 5035079), (201383, 1438594), (402766, 719297)]