74885972

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 153538560

約数和(自身を除く): 78652588

約数列:

[1, 2, 4, 7, 14, 28, 71, 139, 142, 271, 278, 284, 497, 542, 556, 973, 994, 1084, 1897, 1946, 1988, 3794, 3892, 7588, 9869, 19241, 19738, 37669, 38482, 39476, 69083, 75338, 76964, 134687, 138166, 150676, 263683, 269374, 276332, 527366, 538748, 1054732, 2674499, 5348998, 10697996, 18721493, 37442986, 74885972]

約数ペア:

[(1, 74885972), (2, 37442986), (4, 18721493), (7, 10697996), (14, 5348998), (28, 2674499), (71, 1054732), (139, 538748), (142, 527366), (271, 276332), (278, 269374), (284, 263683), (497, 150676), (542, 138166), (556, 134687), (973, 76964), (994, 75338), (1084, 69083), (1897, 39476), (1946, 38482), (1988, 37669), (3794, 19738), (3892, 19241), (7588, 9869)]