642159358

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{145879}}^1$

素因数の和:145983

約数の個数: 16

約数和(自身を含む): 1008322560

約数和(自身を除く): 366163202

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 145879, 291758, 4522249, 9044498, 10357409, 20714818, 321079679, 642159358]

約数ペア:

[(1, 642159358), (2, 321079679), (31, 20714818), (62, 10357409), (71, 9044498), (142, 4522249), (2201, 291758), (4402, 145879)]