640845194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{282809}}^1$

素因数の和:282925

約数の個数: 16

約数和(自身を含む): 1058840640

約数和(自身を除く): 417995446

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 282809, 565618, 3110899, 6221798, 29129327, 58258654, 320422597, 640845194]

約数ペア:

[(1, 640845194), (2, 320422597), (11, 58258654), (22, 29129327), (103, 6221798), (206, 3110899), (1133, 565618), (2266, 282809)]