289243456

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1839

約数の個数: 56

約数和(自身を含む): 597290144

約数和(自身を除く): 308046688

約数列:

[1, 2, 4, 8, 16, 32, 43, 61, 64, 86, 122, 172, 244, 344, 488, 688, 976, 1376, 1723, 1952, 2623, 2752, 3446, 3904, 5246, 6892, 10492, 13784, 20984, 27568, 41968, 55136, 74089, 83936, 105103, 110272, 148178, 167872, 210206, 296356, 420412, 592712, 840824, 1185424, 1681648, 2370848, 3363296, 4519429, 4741696, 6726592, 9038858, 18077716, 36155432, 72310864, 144621728, 289243456]

約数ペア:

[(1, 289243456), (2, 144621728), (4, 72310864), (8, 36155432), (16, 18077716), (32, 9038858), (43, 6726592), (61, 4741696), (64, 4519429), (86, 3363296), (122, 2370848), (172, 1681648), (244, 1185424), (344, 840824), (488, 592712), (688, 420412), (976, 296356), (1376, 210206), (1723, 167872), (1952, 148178), (2623, 110272), (2752, 105103), (3446, 83936), (3904, 74089), (5246, 55136), (6892, 41968), (10492, 27568), (13784, 20984)]