217979658

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{931537}}^1$

素因数の和:931558

約数の個数: 24

約数和(自身を含む): 508619748

約数和(自身を除く): 290640090

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 931537, 1863074, 2794611, 5589222, 8383833, 12109981, 16767666, 24219962, 36329943, 72659886, 108989829, 217979658]

約数ペア:

[(1, 217979658), (2, 108989829), (3, 72659886), (6, 36329943), (9, 24219962), (13, 16767666), (18, 12109981), (26, 8383833), (39, 5589222), (78, 2794611), (117, 1863074), (234, 931537)]