289804528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{3947}}^1$

素因数の和:4321

約数の個数: 40

約数和(自身を含む): 606554928

約数和(自身を除く): 316750400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 353, 706, 1412, 2824, 3947, 4589, 5648, 7894, 9178, 15788, 18356, 31576, 36712, 51311, 63152, 73424, 102622, 205244, 410488, 820976, 1393291, 2786582, 5573164, 11146328, 18112783, 22292656, 36225566, 72451132, 144902264, 289804528]

約数ペア:

[(1, 289804528), (2, 144902264), (4, 72451132), (8, 36225566), (13, 22292656), (16, 18112783), (26, 11146328), (52, 5573164), (104, 2786582), (208, 1393291), (353, 820976), (706, 410488), (1412, 205244), (2824, 102622), (3947, 73424), (4589, 63152), (5648, 51311), (7894, 36712), (9178, 31576), (15788, 18356)]