1290322

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:761

約数の個数: 16

約数和(自身を含む): 2138400

約数和(自身を除く): 848078

約数列:

[1, 2, 11, 22, 89, 178, 659, 979, 1318, 1958, 7249, 14498, 58651, 117302, 645161, 1290322]

約数ペア:

[(1, 1290322), (2, 645161), (11, 117302), (22, 58651), (89, 14498), (178, 7249), (659, 1958), (979, 1318)]