81343696

素因数分解:

$2^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4349}}^1$

素因数の和:4531

約数の個数: 40

約数和(自身を含む): 181238400

約数和(自身を除く): 99894704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167, 334, 668, 1169, 1336, 2338, 2672, 4349, 4676, 8698, 9352, 17396, 18704, 30443, 34792, 60886, 69584, 121772, 243544, 487088, 726283, 1452566, 2905132, 5083981, 5810264, 10167962, 11620528, 20335924, 40671848, 81343696]

約数ペア:

[(1, 81343696), (2, 40671848), (4, 20335924), (7, 11620528), (8, 10167962), (14, 5810264), (16, 5083981), (28, 2905132), (56, 1452566), (112, 726283), (167, 487088), (334, 243544), (668, 121772), (1169, 69584), (1336, 60886), (2338, 34792), (2672, 30443), (4349, 18704), (4676, 17396), (8698, 9352)]