2009408002

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1\times {\mathrm{3943}}^1$

素因数の和:4450

約数の個数: 32

約数和(自身を含む): 3492806400

約数和(自身を除く): 1483398398

約数列:

[1, 2, 7, 14, 89, 178, 409, 623, 818, 1246, 2863, 3943, 5726, 7886, 27601, 36401, 55202, 72802, 254807, 350927, 509614, 701854, 1612687, 2456489, 3225374, 4912978, 11288809, 22577618, 143529143, 287058286, 1004704001, 2009408002]

約数ペア:

[(1, 2009408002), (2, 1004704001), (7, 287058286), (14, 143529143), (89, 22577618), (178, 11288809), (409, 4912978), (623, 3225374), (818, 2456489), (1246, 1612687), (2863, 701854), (3943, 509614), (5726, 350927), (7886, 254807), (27601, 72802), (36401, 55202)]