87793838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 147806208

約数和(自身を除く): 60012370

約数列:

[1, 2, 11, 22, 47, 94, 197, 394, 431, 517, 862, 1034, 2167, 4334, 4741, 9259, 9482, 18518, 20257, 40514, 84907, 101849, 169814, 203698, 222827, 445654, 933977, 1867954, 3990629, 7981258, 43896919, 87793838]

約数ペア:

[(1, 87793838), (2, 43896919), (11, 7981258), (22, 3990629), (47, 1867954), (94, 933977), (197, 445654), (394, 222827), (431, 203698), (517, 169814), (862, 101849), (1034, 84907), (2167, 40514), (4334, 20257), (4741, 18518), (9259, 9482)]