84216419

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{421}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 104703264

約数和(自身を除く): 20486845

約数列:

[1, 7, 17, 41, 119, 287, 421, 697, 1681, 2947, 4879, 7157, 11767, 17261, 28577, 50099, 120827, 200039, 293437, 707701, 2054059, 4953907, 12030917, 84216419]

約数ペア:

[(1, 84216419), (7, 12030917), (17, 4953907), (41, 2054059), (119, 707701), (287, 293437), (421, 200039), (697, 120827), (1681, 50099), (2947, 28577), (4879, 17261), (7157, 11767)]