81557826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{5501}}^1$

素因数の和:5866

約数の個数: 32

約数和(自身を含む): 186979968

約数和(自身を除く): 105422142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 353, 706, 1059, 2118, 2471, 4942, 5501, 7413, 11002, 14826, 16503, 33006, 38507, 77014, 115521, 231042, 1941853, 3883706, 5825559, 11651118, 13592971, 27185942, 40778913, 81557826]

約数ペア:

[(1, 81557826), (2, 40778913), (3, 27185942), (6, 13592971), (7, 11651118), (14, 5825559), (21, 3883706), (42, 1941853), (353, 231042), (706, 115521), (1059, 77014), (2118, 38507), (2471, 33006), (4942, 16503), (5501, 14826), (7413, 11002)]