68828984

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20149}}^1$

素因数の和:20223

約数の個数: 32

約数和(自身を含む): 149916000

約数和(自身を除く): 81087016

約数列:

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

約数ペア:

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