285938513

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 348438528

約数和(自身を除く): 62500015

約数列:

[1, 7, 31, 67, 71, 217, 277, 469, 497, 1939, 2077, 2201, 4757, 8587, 14539, 15407, 18559, 19667, 33299, 60109, 129913, 137669, 147467, 575329, 609677, 1032269, 1317689, 4027303, 4267739, 9223823, 40848359, 285938513]

約数ペア:

[(1, 285938513), (7, 40848359), (31, 9223823), (67, 4267739), (71, 4027303), (217, 1317689), (277, 1032269), (469, 609677), (497, 575329), (1939, 147467), (2077, 137669), (2201, 129913), (4757, 60109), (8587, 33299), (14539, 19667), (15407, 18559)]