206877709

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 237945600

約数和(自身を除く): 31067891

約数列:

[1, 17, 23, 53, 67, 149, 391, 901, 1139, 1219, 1541, 2533, 3427, 3551, 7897, 9983, 20723, 26197, 58259, 60367, 81673, 134249, 169711, 181631, 229609, 529099, 1388441, 3087727, 3903353, 8994683, 12169277, 206877709]

約数ペア:

[(1, 206877709), (17, 12169277), (23, 8994683), (53, 3903353), (67, 3087727), (149, 1388441), (391, 529099), (901, 229609), (1139, 181631), (1219, 169711), (1541, 134249), (2533, 81673), (3427, 60367), (3551, 58259), (7897, 26197), (9983, 20723)]