665952

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{991}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 1999872

約数和(自身を除く): 1333920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 991, 1982, 2973, 3964, 5946, 6937, 7928, 11892, 13874, 15856, 20811, 23784, 27748, 31712, 41622, 47568, 55496, 83244, 95136, 110992, 166488, 221984, 332976, 665952]

約数ペア:

[(1, 665952), (2, 332976), (3, 221984), (4, 166488), (6, 110992), (7, 95136), (8, 83244), (12, 55496), (14, 47568), (16, 41622), (21, 31712), (24, 27748), (28, 23784), (32, 20811), (42, 15856), (48, 13874), (56, 11892), (84, 7928), (96, 6937), (112, 5946), (168, 3964), (224, 2973), (336, 1982), (672, 991)]