258283456

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:921

約数の個数: 56

約数和(自身を含む): 529295360

約数和(自身を除く): 271011904

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 127, 172, 254, 344, 508, 688, 739, 1016, 1376, 1478, 2032, 2752, 2956, 4064, 5461, 5912, 8128, 10922, 11824, 21844, 23648, 31777, 43688, 47296, 63554, 87376, 93853, 127108, 174752, 187706, 254216, 349504, 375412, 508432, 750824, 1016864, 1501648, 2033728, 3003296, 4035679, 6006592, 8071358, 16142716, 32285432, 64570864, 129141728, 258283456]

約数ペア:

[(1, 258283456), (2, 129141728), (4, 64570864), (8, 32285432), (16, 16142716), (32, 8071358), (43, 6006592), (64, 4035679), (86, 3003296), (127, 2033728), (172, 1501648), (254, 1016864), (344, 750824), (508, 508432), (688, 375412), (739, 349504), (1016, 254216), (1376, 187706), (1478, 174752), (2032, 127108), (2752, 93853), (2956, 87376), (4064, 63554), (5461, 47296), (5912, 43688), (8128, 31777), (10922, 23648), (11824, 21844)]