257366704

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{120943}}^1$

素因数の和:120977

約数の個数: 40

約数和(自身を含む): 599882240

約数和(自身を除く): 342515536

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 120943, 241886, 483772, 846601, 967544, 1693202, 1935088, 2297917, 3386404, 4595834, 6772808, 9191668, 13545616, 16085419, 18383336, 32170838, 36766672, 64341676, 128683352, 257366704]

約数ペア:

[(1, 257366704), (2, 128683352), (4, 64341676), (7, 36766672), (8, 32170838), (14, 18383336), (16, 16085419), (19, 13545616), (28, 9191668), (38, 6772808), (56, 4595834), (76, 3386404), (112, 2297917), (133, 1935088), (152, 1693202), (266, 967544), (304, 846601), (532, 483772), (1064, 241886), (2128, 120943)]