890281054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{53419}}^1$

素因数の和:54075

約数の個数: 16

約数和(自身を含む): 1440416880

約数和(自身を除く): 550135826

約数列:

[1, 2, 13, 26, 641, 1282, 8333, 16666, 53419, 106838, 694447, 1388894, 34241579, 68483158, 445140527, 890281054]

約数ペア:

[(1, 890281054), (2, 445140527), (13, 68483158), (26, 34241579), (641, 1388894), (1282, 694447), (8333, 106838), (16666, 53419)]