219126515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 285975360

約数和(自身を除く): 66848845

約数列:

[1, 5, 17, 67, 85, 109, 335, 353, 545, 1139, 1765, 1853, 5695, 6001, 7303, 9265, 23651, 30005, 36515, 38477, 118255, 124151, 192385, 402067, 620755, 654109, 2010335, 2577959, 3270545, 12889795, 43825303, 219126515]

約数ペア:

[(1, 219126515), (5, 43825303), (17, 12889795), (67, 3270545), (85, 2577959), (109, 2010335), (335, 654109), (353, 620755), (545, 402067), (1139, 192385), (1765, 124151), (1853, 118255), (5695, 38477), (6001, 36515), (7303, 30005), (9265, 23651)]