256477733428

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{66860723}}^1$

素因数の和:66860871

約数の個数: 24

約数和(自身を含む): 516699675072

約数和(自身を除く): 260221941644

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 66860723, 133721446, 267442892, 468025061, 936050122, 1872100244, 9159919051, 18319838102, 36639676204, 64119433357, 128238866714, 256477733428]

約数ペア:

[(1, 256477733428), (2, 128238866714), (4, 64119433357), (7, 36639676204), (14, 18319838102), (28, 9159919051), (137, 1872100244), (274, 936050122), (548, 468025061), (959, 267442892), (1918, 133721446), (3836, 66860723)]