81921910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{937}}^1\times {\mathrm{1249}}^1$

素因数の和:2200

約数の個数: 32

約数和(自身を含む): 168840000

約数和(自身を除く): 86918090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 937, 1249, 1874, 2498, 4685, 6245, 6559, 8743, 9370, 12490, 13118, 17486, 32795, 43715, 65590, 87430, 1170313, 2340626, 5851565, 8192191, 11703130, 16384382, 40960955, 81921910]

約数ペア:

[(1, 81921910), (2, 40960955), (5, 16384382), (7, 11703130), (10, 8192191), (14, 5851565), (35, 2340626), (70, 1170313), (937, 87430), (1249, 65590), (1874, 43715), (2498, 32795), (4685, 17486), (6245, 13118), (6559, 12490), (8743, 9370)]