257657372

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^3\times {\mathrm{1873}}^1$

素因数の和:1935

約数の個数: 48

約数和(自身を含む): 547807680

約数和(自身を除く): 290150308

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 1873, 2023, 3746, 4046, 4913, 7492, 8092, 9826, 13111, 19652, 26222, 31841, 34391, 52444, 63682, 68782, 127364, 137564, 222887, 445774, 541297, 891548, 1082594, 2165188, 3789079, 7578158, 9202049, 15156316, 18404098, 36808196, 64414343, 128828686, 257657372]

約数ペア:

[(1, 257657372), (2, 128828686), (4, 64414343), (7, 36808196), (14, 18404098), (17, 15156316), (28, 9202049), (34, 7578158), (68, 3789079), (119, 2165188), (238, 1082594), (289, 891548), (476, 541297), (578, 445774), (1156, 222887), (1873, 137564), (2023, 127364), (3746, 68782), (4046, 63682), (4913, 52444), (7492, 34391), (8092, 31841), (9826, 26222), (13111, 19652)]