278803585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 359251200

約数和(自身を除く): 80447615

約数列:

[1, 5, 23, 53, 115, 149, 265, 307, 745, 1219, 1535, 3427, 6095, 7061, 7897, 16271, 17135, 35305, 39485, 45743, 81355, 181631, 228715, 374233, 908155, 1052089, 1871165, 2424379, 5260445, 12121895, 55760717, 278803585]

約数ペア:

[(1, 278803585), (5, 55760717), (23, 12121895), (53, 5260445), (115, 2424379), (149, 1871165), (265, 1052089), (307, 908155), (745, 374233), (1219, 228715), (1535, 181631), (3427, 81355), (6095, 45743), (7061, 39485), (7897, 35305), (16271, 17135)]