1571256

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 4313400

約数和(自身を除く): 2742144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 157, 278, 314, 417, 471, 556, 628, 834, 942, 1112, 1251, 1256, 1413, 1668, 1884, 2502, 2826, 3336, 3768, 5004, 5652, 10008, 11304, 21823, 43646, 65469, 87292, 130938, 174584, 196407, 261876, 392814, 523752, 785628, 1571256]

約数ペア:

[(1, 1571256), (2, 785628), (3, 523752), (4, 392814), (6, 261876), (8, 196407), (9, 174584), (12, 130938), (18, 87292), (24, 65469), (36, 43646), (72, 21823), (139, 11304), (157, 10008), (278, 5652), (314, 5004), (417, 3768), (471, 3336), (556, 2826), (628, 2502), (834, 1884), (942, 1668), (1112, 1413), (1251, 1256)]