2888228

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 6249600

約数和(自身を除く): 3361372

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 61, 76, 89, 122, 133, 178, 244, 266, 356, 427, 532, 623, 854, 1159, 1246, 1691, 1708, 2318, 2492, 3382, 4636, 5429, 6764, 8113, 10858, 11837, 16226, 21716, 23674, 32452, 38003, 47348, 76006, 103151, 152012, 206302, 412604, 722057, 1444114, 2888228]

約数ペア:

[(1, 2888228), (2, 1444114), (4, 722057), (7, 412604), (14, 206302), (19, 152012), (28, 103151), (38, 76006), (61, 47348), (76, 38003), (89, 32452), (122, 23674), (133, 21716), (178, 16226), (244, 11837), (266, 10858), (356, 8113), (427, 6764), (532, 5429), (623, 4636), (854, 3382), (1159, 2492), (1246, 2318), (1691, 1708)]