217419307

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 270604800

約数和(自身を除く): 53185493

約数列:

[1, 7, 17, 59, 119, 173, 179, 413, 1003, 1211, 1253, 2941, 3043, 7021, 10207, 10561, 20587, 21301, 30967, 71449, 73927, 173519, 179537, 216769, 526439, 1214633, 1256759, 1827053, 3685073, 12789371, 31059901, 217419307]

約数ペア:

[(1, 217419307), (7, 31059901), (17, 12789371), (59, 3685073), (119, 1827053), (173, 1256759), (179, 1214633), (413, 526439), (1003, 216769), (1211, 179537), (1253, 173519), (2941, 73927), (3043, 71449), (7021, 30967), (10207, 21301), (10561, 20587)]