664581602

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{19973}}^1$

素因数の和:20233

約数の個数: 16

約数和(自身を含む): 1012442112

約数和(自身を除く): 347860510

約数列:

[1, 2, 127, 131, 254, 262, 16637, 19973, 33274, 39946, 2536571, 2616463, 5073142, 5232926, 332290801, 664581602]

約数ペア:

[(1, 664581602), (2, 332290801), (127, 5232926), (131, 5073142), (254, 2616463), (262, 2536571), (16637, 39946), (19973, 33274)]