2691358

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:639

約数の個数: 16

約数和(自身を含む): 4225536

約数和(自身を除く): 1534178

約数列:

[1, 2, 31, 62, 83, 166, 523, 1046, 2573, 5146, 16213, 32426, 43409, 86818, 1345679, 2691358]

約数ペア:

[(1, 2691358), (2, 1345679), (31, 86818), (62, 43409), (83, 32426), (166, 16213), (523, 5146), (1046, 2573)]