42506490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108991}}^1$

素因数の和:109014

約数の個数: 32

約数和(自身を含む): 109863936

約数和(自身を除く): 67357446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 108991, 217982, 326973, 544955, 653946, 1089910, 1416883, 1634865, 2833766, 3269730, 4250649, 7084415, 8501298, 14168830, 21253245, 42506490]

約数ペア:

[(1, 42506490), (2, 21253245), (3, 14168830), (5, 8501298), (6, 7084415), (10, 4250649), (13, 3269730), (15, 2833766), (26, 1634865), (30, 1416883), (39, 1089910), (65, 653946), (78, 544955), (130, 326973), (195, 217982), (390, 108991)]