217984287745

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{151905427}}^1$

素因数の和:151905480

約数の個数: 16

約数和(自身を含む): 306241342848

約数和(自身を除く): 88257055103

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 151905427, 759527135, 1063337989, 5316689945, 6228122507, 31140612535, 43596857549, 217984287745]

約数ペア:

[(1, 217984287745), (5, 43596857549), (7, 31140612535), (35, 6228122507), (41, 5316689945), (205, 1063337989), (287, 759527135), (1435, 151905427)]