220170995

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{21407}}^1$

素因数の和:21451

約数の個数: 24

約数和(自身を含む): 307504512

約数和(自身を除く): 87333517

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 605, 935, 2057, 10285, 21407, 107035, 235477, 363919, 1177385, 1819595, 2590247, 4003109, 12951235, 20015545, 44034199, 220170995]

約数ペア:

[(1, 220170995), (5, 44034199), (11, 20015545), (17, 12951235), (55, 4003109), (85, 2590247), (121, 1819595), (187, 1177385), (605, 363919), (935, 235477), (2057, 107035), (10285, 21407)]