257206710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{65447}}^1$

素因数の和:65588

約数の個数: 32

約数和(自身を含む): 622017792

約数和(自身を除く): 364811082

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 65447, 130894, 196341, 327235, 392682, 654470, 981705, 1963410, 8573557, 17147114, 25720671, 42867785, 51441342, 85735570, 128603355, 257206710]

約数ペア:

[(1, 257206710), (2, 128603355), (3, 85735570), (5, 51441342), (6, 42867785), (10, 25720671), (15, 17147114), (30, 8573557), (131, 1963410), (262, 981705), (393, 654470), (655, 392682), (786, 327235), (1310, 196341), (1965, 130894), (3930, 65447)]