213766778881

素因数分解:

${\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{518689}}^1$

素因数の和:519016

約数の個数: 16

約数和(自身を含む): 228223600000

約数和(自身を除く): 14456821119

約数列:

[1, 19, 109, 199, 2071, 3781, 21691, 412129, 518689, 9855091, 56537101, 103219111, 1074204919, 1961163109, 11250883099, 213766778881]

約数ペア:

[(1, 213766778881), (19, 11250883099), (109, 1961163109), (199, 1074204919), (2071, 103219111), (3781, 56537101), (21691, 9855091), (412129, 518689)]