89890712

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 171590400

約数和(自身を除く): 81699688

約数列:

[1, 2, 4, 8, 89, 178, 191, 356, 382, 661, 712, 764, 1322, 1528, 2644, 5288, 16999, 33998, 58829, 67996, 117658, 126251, 135992, 235316, 252502, 470632, 505004, 1010008, 11236339, 22472678, 44945356, 89890712]

約数ペア:

[(1, 89890712), (2, 44945356), (4, 22472678), (8, 11236339), (89, 1010008), (178, 505004), (191, 470632), (356, 252502), (382, 235316), (661, 135992), (712, 126251), (764, 117658), (1322, 67996), (1528, 58829), (2644, 33998), (5288, 16999)]