156978988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{2027}}^1$

素因数の和:3069

約数の個数: 24

約数和(自身を含む): 289598400

約数和(自身を除く): 132619412

約数列:

[1, 2, 4, 19, 38, 76, 1019, 2027, 2038, 4054, 4076, 8108, 19361, 38513, 38722, 77026, 77444, 154052, 2065513, 4131026, 8262052, 39244747, 78489494, 156978988]

約数ペア:

[(1, 156978988), (2, 78489494), (4, 39244747), (19, 8262052), (38, 4131026), (76, 2065513), (1019, 154052), (2027, 77444), (2038, 77026), (4054, 38722), (4076, 38513), (8108, 19361)]