81021512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70823}}^1$

素因数の和:70853

約数の個数: 32

約数和(自身を含む): 178476480

約数和(自身を除く): 97454968

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 70823, 141646, 283292, 566584, 779053, 920699, 1558106, 1841398, 3116212, 3682796, 6232424, 7365592, 10127689, 20255378, 40510756, 81021512]

約数ペア:

[(1, 81021512), (2, 40510756), (4, 20255378), (8, 10127689), (11, 7365592), (13, 6232424), (22, 3682796), (26, 3116212), (44, 1841398), (52, 1558106), (88, 920699), (104, 779053), (143, 566584), (286, 283292), (572, 141646), (1144, 70823)]