81412856

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10459}}^1$

素因数の和:10611

約数の個数: 32

約数和(自身を含む): 175728000

約数和(自身を除く): 94315144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 10459, 20918, 41836, 73213, 83672, 146426, 292852, 585704, 1453801, 2907602, 5815204, 10176607, 11630408, 20353214, 40706428, 81412856]

約数ペア:

[(1, 81412856), (2, 40706428), (4, 20353214), (7, 11630408), (8, 10176607), (14, 5815204), (28, 2907602), (56, 1453801), (139, 585704), (278, 292852), (556, 146426), (973, 83672), (1112, 73213), (1946, 41836), (3892, 20918), (7784, 10459)]