1279078688

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{683}}^1\times {\mathrm{1361}}^1$

素因数の和:2097

約数の個数: 48

約数和(自身を含む): 2582417376

約数和(自身を除く): 1303338688

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 683, 688, 1361, 1366, 1376, 2722, 2732, 5444, 5464, 10888, 10928, 21776, 21856, 29369, 43552, 58523, 58738, 117046, 117476, 234092, 234952, 468184, 469904, 929563, 936368, 939808, 1859126, 1872736, 3718252, 7436504, 14873008, 29746016, 39971209, 79942418, 159884836, 319769672, 639539344, 1279078688]

約数ペア:

[(1, 1279078688), (2, 639539344), (4, 319769672), (8, 159884836), (16, 79942418), (32, 39971209), (43, 29746016), (86, 14873008), (172, 7436504), (344, 3718252), (683, 1872736), (688, 1859126), (1361, 939808), (1366, 936368), (1376, 929563), (2722, 469904), (2732, 468184), (5444, 234952), (5464, 234092), (10888, 117476), (10928, 117046), (21776, 58738), (21856, 58523), (29369, 43552)]