81438902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1103}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 135129600

約数和(自身を除く): 53690698

約数列:

[1, 2, 19, 29, 38, 58, 67, 134, 551, 1102, 1103, 1273, 1943, 2206, 2546, 3886, 20957, 31987, 36917, 41914, 63974, 73834, 73901, 147802, 607753, 1215506, 1404119, 2143129, 2808238, 4286258, 40719451, 81438902]

約数ペア:

[(1, 81438902), (2, 40719451), (19, 4286258), (29, 2808238), (38, 2143129), (58, 1404119), (67, 1215506), (134, 607753), (551, 147802), (1102, 73901), (1103, 73834), (1273, 63974), (1943, 41914), (2206, 36917), (2546, 31987), (3886, 20957)]