667306768

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{1667}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 1310487552

約数和(自身を除く): 643180784

約数列:

[1, 2, 4, 8, 16, 127, 197, 254, 394, 508, 788, 1016, 1576, 1667, 2032, 3152, 3334, 6668, 13336, 25019, 26672, 50038, 100076, 200152, 211709, 328399, 400304, 423418, 656798, 846836, 1313596, 1693672, 2627192, 3387344, 5254384, 41706673, 83413346, 166826692, 333653384, 667306768]

約数ペア:

[(1, 667306768), (2, 333653384), (4, 166826692), (8, 83413346), (16, 41706673), (127, 5254384), (197, 3387344), (254, 2627192), (394, 1693672), (508, 1313596), (788, 846836), (1016, 656798), (1576, 423418), (1667, 400304), (2032, 328399), (3152, 211709), (3334, 200152), (6668, 100076), (13336, 50038), (25019, 26672)]