208027218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{7703}}^1$

素因数の和:8358

約数の個数: 32

約数和(自身を含む): 476292096

約数和(自身を除く): 268264878

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 643, 1286, 1929, 3858, 4501, 7703, 9002, 13503, 15406, 23109, 27006, 46218, 53921, 107842, 161763, 323526, 4953029, 9906058, 14859087, 29718174, 34671203, 69342406, 104013609, 208027218]

約数ペア:

[(1, 208027218), (2, 104013609), (3, 69342406), (6, 34671203), (7, 29718174), (14, 14859087), (21, 9906058), (42, 4953029), (643, 323526), (1286, 161763), (1929, 107842), (3858, 53921), (4501, 46218), (7703, 27006), (9002, 23109), (13503, 15406)]