199531871

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9029}}^1$

素因数の和:9095

約数の個数: 24

約数和(自身を含む): 259413840

約数和(自身を除く): 59881969

約数列:

[1, 7, 11, 41, 49, 77, 287, 451, 539, 2009, 3157, 9029, 22099, 63203, 99319, 370189, 442421, 695233, 2591323, 4072079, 4866631, 18139261, 28504553, 199531871]

約数ペア:

[(1, 199531871), (7, 28504553), (11, 18139261), (41, 4866631), (49, 4072079), (77, 2591323), (287, 695233), (451, 442421), (539, 370189), (2009, 99319), (3157, 63203), (9029, 22099)]