81700144

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{138007}}^1$

素因数の和:138052

約数の個数: 20

約数和(自身を含む): 162573424

約数和(自身を除く): 80873280

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 138007, 276014, 552028, 1104056, 2208112, 5106259, 10212518, 20425036, 40850072, 81700144]

約数ペア:

[(1, 81700144), (2, 40850072), (4, 20425036), (8, 10212518), (16, 5106259), (37, 2208112), (74, 1104056), (148, 552028), (296, 276014), (592, 138007)]