1640781651

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1\times {\mathrm{733}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 2329539840

約数和(自身を除く): 688758189

約数列:

[1, 3, 19, 57, 173, 227, 519, 681, 733, 2199, 3287, 4313, 9861, 12939, 13927, 39271, 41781, 117813, 126809, 166391, 380427, 499173, 746149, 2238447, 2409371, 3161429, 7228113, 9484287, 28785643, 86356929, 546927217, 1640781651]

約数ペア:

[(1, 1640781651), (3, 546927217), (19, 86356929), (57, 28785643), (173, 9484287), (227, 7228113), (519, 3161429), (681, 2409371), (733, 2238447), (2199, 746149), (3287, 499173), (4313, 380427), (9861, 166391), (12939, 126809), (13927, 117813), (39271, 41781)]