28147595

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 40144896

約数和(自身を除く): 11997301

約数列:

[1, 5, 7, 35, 47, 71, 235, 241, 329, 355, 497, 1205, 1645, 1687, 2485, 3337, 8435, 11327, 16685, 17111, 23359, 56635, 79289, 85555, 116795, 119777, 396445, 598885, 804217, 4021085, 5629519, 28147595]

約数ペア:

[(1, 28147595), (5, 5629519), (7, 4021085), (35, 804217), (47, 598885), (71, 396445), (235, 119777), (241, 116795), (329, 85555), (355, 79289), (497, 56635), (1205, 23359), (1645, 17111), (1687, 16685), (2485, 11327), (3337, 8435)]