2017019816

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{404699}}^1$

素因数の和:404801

約数の個数: 32

約数和(自身を含む): 4370760000

約数和(自身を除く): 2353740184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4984, 404699, 809398, 1618796, 2832893, 3237592, 5665786, 11331572, 22663144, 36018211, 72036422, 144072844, 252127477, 288145688, 504254954, 1008509908, 2017019816]

約数ペア:

[(1, 2017019816), (2, 1008509908), (4, 504254954), (7, 288145688), (8, 252127477), (14, 144072844), (28, 72036422), (56, 36018211), (89, 22663144), (178, 11331572), (356, 5665786), (623, 3237592), (712, 2832893), (1246, 1618796), (2492, 809398), (4984, 404699)]