208509678

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{891067}}^1$

素因数の和:891088

約数の個数: 24

約数和(自身を含む): 486523128

約数和(自身を除く): 278013450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 891067, 1782134, 2673201, 5346402, 8019603, 11583871, 16039206, 23167742, 34751613, 69503226, 104254839, 208509678]

約数ペア:

[(1, 208509678), (2, 104254839), (3, 69503226), (6, 34751613), (9, 23167742), (13, 16039206), (18, 11583871), (26, 8019603), (39, 5346402), (78, 2673201), (117, 1782134), (234, 891067)]