157780978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{244243}}^1$

素因数の和:244281

約数の個数: 16

約数和(自身を含む): 263783520

約数和(自身を除く): 106002542

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 244243, 488486, 4152131, 4640617, 8304262, 9281234, 78890489, 157780978]

約数ペア:

[(1, 157780978), (2, 78890489), (17, 9281234), (19, 8304262), (34, 4640617), (38, 4152131), (323, 488486), (646, 244243)]