664501706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{20123}}^1$

素因数の和:20234

約数の個数: 32

約数和(自身を含む): 1159142400

約数和(自身を除く): 494640694

約数列:

[1, 2, 11, 19, 22, 38, 79, 158, 209, 418, 869, 1501, 1738, 3002, 16511, 20123, 33022, 40246, 221353, 382337, 442706, 764674, 1589717, 3179434, 4205707, 8411414, 17486887, 30204623, 34973774, 60409246, 332250853, 664501706]

約数ペア:

[(1, 664501706), (2, 332250853), (11, 60409246), (19, 34973774), (22, 30204623), (38, 17486887), (79, 8411414), (158, 4205707), (209, 3179434), (418, 1589717), (869, 764674), (1501, 442706), (1738, 382337), (3002, 221353), (16511, 40246), (20123, 33022)]