80639694

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 178167600

約数和(自身を除く): 97527906

約数列:

[1, 2, 3, 6, 9, 18, 107, 149, 214, 281, 298, 321, 447, 562, 642, 843, 894, 963, 1341, 1686, 1926, 2529, 2682, 5058, 15943, 30067, 31886, 41869, 47829, 60134, 83738, 90201, 95658, 125607, 143487, 180402, 251214, 270603, 286974, 376821, 541206, 753642, 4479983, 8959966, 13439949, 26879898, 40319847, 80639694]

約数ペア:

[(1, 80639694), (2, 40319847), (3, 26879898), (6, 13439949), (9, 8959966), (18, 4479983), (107, 753642), (149, 541206), (214, 376821), (281, 286974), (298, 270603), (321, 251214), (447, 180402), (562, 143487), (642, 125607), (843, 95658), (894, 90201), (963, 83738), (1341, 60134), (1686, 47829), (1926, 41869), (2529, 31886), (2682, 30067), (5058, 15943)]