1311178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:677

約数の個数: 16

約数和(自身を含む): 2169504

約数和(自身を除く): 858326

約数列:

[1, 2, 11, 22, 107, 214, 557, 1114, 1177, 2354, 6127, 12254, 59599, 119198, 655589, 1311178]

約数ペア:

[(1, 1311178), (2, 655589), (11, 119198), (22, 59599), (107, 12254), (214, 6127), (557, 2354), (1114, 1177)]