137657968

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20149}}^1$

素因数の和:20225

約数の個数: 40

約数和(自身を含む): 309826400

約数和(自身を除く): 172168432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 20149, 40298, 80596, 141043, 161192, 282086, 322384, 564172, 1128344, 1229089, 2256688, 2458178, 4916356, 8603623, 9832712, 17207246, 19665424, 34414492, 68828984, 137657968]

約数ペア:

[(1, 137657968), (2, 68828984), (4, 34414492), (7, 19665424), (8, 17207246), (14, 9832712), (16, 8603623), (28, 4916356), (56, 2458178), (61, 2256688), (112, 1229089), (122, 1128344), (244, 564172), (427, 322384), (488, 282086), (854, 161192), (976, 141043), (1708, 80596), (3416, 40298), (6832, 20149)]