2005489.00000000

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{3529}}^1$

素因数の和:3566

約数の個数: 32

約数和(自身を含む): 21603600

約数和(自身を除く): 11214224

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 3529, 7058, 14116, 28232, 56464, 81167, 112928, 162334, 225856, 324668, 451712, 649336, 1298672, 2597344, 5194688, 10389376]

約数ペア:

[(1, 10389376), (2, 5194688), (4, 2597344), (8, 1298672), (16, 649336), (23, 451712), (32, 324668), (46, 225856), (64, 162334), (92, 112928), (128, 81167), (184, 56464), (368, 28232), (736, 14116), (1472, 7058), (2944, 3529)]