218907926

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 349713408

約数和(自身を除く): 130805482

約数列:

[1, 2, 31, 43, 62, 86, 157, 314, 523, 1046, 1333, 2666, 4867, 6751, 9734, 13502, 16213, 22489, 32426, 44978, 82111, 164222, 209281, 418562, 697159, 1394318, 2545441, 3530773, 5090882, 7061546, 109453963, 218907926]

約数ペア:

[(1, 218907926), (2, 109453963), (31, 7061546), (43, 5090882), (62, 3530773), (86, 2545441), (157, 1394318), (314, 697159), (523, 418562), (1046, 209281), (1333, 164222), (2666, 82111), (4867, 44978), (6751, 32426), (9734, 22489), (13502, 16213)]