642858265

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{941}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 895276800

約数和(自身を除く): 252418535

約数列:

[1, 5, 7, 35, 131, 149, 655, 745, 917, 941, 1043, 4585, 4705, 5215, 6587, 19519, 32935, 97595, 123271, 136633, 140209, 616355, 683165, 701045, 862897, 981463, 4314485, 4907315, 18367379, 91836895, 128571653, 642858265]

約数ペア:

[(1, 642858265), (5, 128571653), (7, 91836895), (35, 18367379), (131, 4907315), (149, 4314485), (655, 981463), (745, 862897), (917, 701045), (941, 683165), (1043, 616355), (4585, 140209), (4705, 136633), (5215, 123271), (6587, 97595), (19519, 32935)]