81308696

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18379}}^1$

素因数の和:18471

約数の個数: 32

約数和(自身を含む): 176448000

約数和(自身を除く): 95139304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 18379, 36758, 73516, 128653, 147032, 257306, 514612, 1029224, 1451941, 2903882, 5807764, 10163587, 11615528, 20327174, 40654348, 81308696]

約数ペア:

[(1, 81308696), (2, 40654348), (4, 20327174), (7, 11615528), (8, 10163587), (14, 5807764), (28, 2903882), (56, 1451941), (79, 1029224), (158, 514612), (316, 257306), (553, 147032), (632, 128653), (1106, 73516), (2212, 36758), (4424, 18379)]