19781701991

素因数分解:

${\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{9103}}^1$

素因数の和:9542

約数の個数: 16

約数和(自身を含む): 20304396288

約数和(自身を除く): 522694297

約数列:

[1, 71, 127, 241, 9017, 9103, 17111, 30607, 646313, 1156081, 2173097, 2193823, 82081751, 155761433, 278615521, 19781701991]

約数ペア:

[(1, 19781701991), (71, 278615521), (127, 155761433), (241, 82081751), (9017, 2193823), (9103, 2173097), (17111, 1156081), (30607, 646313)]