261567362

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{9787}}^1$

素因数の和:9902

約数の個数: 32

約数和(自身を含む): 473582592

約数和(自身を除く): 212015230

約数列:

[1, 2, 7, 14, 23, 46, 83, 161, 166, 322, 581, 1162, 1909, 3818, 9787, 13363, 19574, 26726, 68509, 137018, 225101, 450202, 812321, 1575707, 1624642, 3151414, 5686247, 11372494, 18683383, 37366766, 130783681, 261567362]

約数ペア:

[(1, 261567362), (2, 130783681), (7, 37366766), (14, 18683383), (23, 11372494), (46, 5686247), (83, 3151414), (161, 1624642), (166, 1575707), (322, 812321), (581, 450202), (1162, 225101), (1909, 137018), (3818, 68509), (9787, 26726), (13363, 19574)]